{"id":106,"date":"2025-08-24T16:18:42","date_gmt":"2025-08-24T08:18:42","guid":{"rendered":"http:\/\/www.dioit.com\/?p=106"},"modified":"2025-09-07T16:33:25","modified_gmt":"2025-09-07T08:33:25","slug":"css%e5%ad%a6%e4%b9%a0","status":"publish","type":"post","link":"http:\/\/www.dioit.com\/index.php\/2025\/08\/24\/css%e5%ad%a6%e4%b9%a0\/","title":{"rendered":"CSS\u5b66\u4e60"},"content":{"rendered":"<h1 class=\"md-end-block md-heading\"><span class=\"md-plain md-expand\">Web-CSS-Study<\/span><\/h1>\n<div class=\"md-hr md-end-block\" tabindex=\"-1\">\n<hr \/>\n<\/div>\n<p class=\"md-end-block md-p\"><span class=\"md-tag md-raw-inline\" spellcheck=\"false\">&lt;u&gt;<\/span><span class=\"md-plain\"> \u4f5c\u8005\uff1ajason-wrj <\/span><span class=\"md-tag md-raw-inline\" spellcheck=\"false\">&lt;\/u&gt;<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-tag md-raw-inline\" spellcheck=\"false\">&lt;u&gt;<\/span><span class=\"md-plain\"> \u5206\u7c7b\uff1a\u670d\u52a1\u5668\/\u7f51\u7edc\u670d\u52a1\u5668\/CSS <\/span><span class=\"md-tag md-raw-inline\" spellcheck=\"false\">&lt;\/u&gt;<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-tag md-raw-inline\" spellcheck=\"false\">&lt;u&gt;<\/span><span class=\"md-plain\"> \u6807\u7b7e\uff1aServer, Web Server, CSS <\/span><span class=\"md-tag md-raw-inline\" spellcheck=\"false\">&lt;\/u&gt;<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-tag md-raw-inline\" spellcheck=\"false\">&lt;u&gt;<\/span><span class=\"md-plain\"> \u66f4\u591a\uff1a<\/span><span class=\"md-meta-i-c md-link\"><a spellcheck=\"false\" href=\"http:\/\/www.dioit.com\"><span class=\"md-plain\">www.dioit.com\u2014\u2014\u8fea\u6b27IT\u2014\u2014dio\u667a\u80fd\u79d1\u6280<\/span><\/a><\/span> <span class=\"md-tag md-raw-inline\" spellcheck=\"false\">&lt;\/u&gt;<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-tag md-raw-inline\" spellcheck=\"false\">&lt;u&gt;<\/span><span class=\"md-plain\"> \u66f4\u591a\uff1a<\/span><span class=\"md-meta-i-c md-link\"><a spellcheck=\"false\" href=\"http:\/\/www.dioit.com\"><span class=\"md-plain\">www.dioit.com\u2014\u2014dioIT\u2014\u2014\u5d4c\u5165\u5f0f\u7535\u5b50\u667a\u80fd\u6280\u672f<\/span><\/a><\/span> <span class=\"md-tag md-raw-inline\" spellcheck=\"false\">&lt;\/u&gt;<\/span><\/p>\n<div class=\"md-hr md-end-block\" tabindex=\"-1\">\n<hr \/>\n<\/div>\n<h2 class=\"md-end-block md-heading\"><span class=\"md-plain\">1 \u6982\u8ff0<\/span><\/h2>\n<h3 class=\"md-end-block md-heading\"><span class=\"md-plain\">1.1 CSS \u7684\u57fa\u672c\u6982\u5ff5<\/span><\/h3>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\"> CSS\uff08<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">C<\/span><\/strong><\/span><span class=\"md-plain\">ascading <\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">S<\/span><\/strong><\/span><span class=\"md-plain\">tyle <\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">S<\/span><\/strong><\/span><span class=\"md-plain\">heets\uff0c\u5c42\u53e0\u6837\u5f0f\u8868\uff09\u662f\u4e00\u79cd\u7528\u4e8e\u63cf\u8ff0HTML\u6216XML\uff08\u5305\u62ec SVG\u3001XHTML \u7b49\uff09\u7f51\u9875\u7ed3\u6784\u5316\u6587\u6863\uff08<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5916\u89c2\u548c\u683c\u5f0f\u89c6\u89c9\u8868\u73b0<\/span><\/strong><\/span><span class=\"md-plain\">\uff09\u5448\u73b0\u65b9\u5f0f\u7684\u6837\u5f0f\u8868\u8bed\u8a00\uff0c\u7531W3C\u5236\u5b9a\u6807\u51c6\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\"> CSS \u901a\u8fc7\u5b9a\u4e49\u7f51\u9875\u5143\u7d20\u7684\u5b57\u4f53\u3001\u95f4\u8ddd\u3001\u989c\u8272\u3001\u5e03\u5c40\u3001\u52a8\u753b\u7b49\u5916\u89c2\u89c6\u89c9\u5c5e\u6027\uff0c<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u63a7\u5236\u7f51\u9875\u5185\u5bb9\u5916\u89c2\u548c\u5e03\u5c40<\/span><\/strong><\/span><span class=\"md-plain\">\uff0c\u5b9e\u73b0\u7f51\u9875\u7f8e\u5316\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\"> CSS \u901a\u8fc7\u5c06\u6837\u5f0f\u4e0e\u5185\u5bb9\u5206\u79bb\uff0c\u4f7f\u5f97\u7f51\u9875\u8bbe\u8ba1\u66f4\u52a0\u7075\u6d3b\u3001\u9ad8\u6548\uff0c\u5e76\u652f\u6301\u52a8\u6001\u53d8\u5316\u7684\u5e03\u5c40\u548c\u4ea4\u4e92\u6548\u679c\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\"> CSS \u662f\u73b0\u4ee3\u7f51\u9875\u8bbe\u8ba1\uff08<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u524d\u7aef\u5f00\u53d1<\/span><\/strong><\/span><span class=\"md-plain\">\uff09\u7684\u6838\u5fc3\u6280\u80fd\u4e4b\u4e00\uff0c\u901a\u8fc7\u5b9e\u8df5\u548c\u53c2\u8003\u4f18\u79c0\u6848\u4f8b\u53ef\u4ee5\u5feb\u901f\u638c\u63e1\u3002<\/span><\/p>\n<h3 class=\"md-end-block md-heading\"><span class=\"md-plain\">1.2 CSS \u7684\u53d1\u5c55\u5386\u7a0b<\/span><\/h3>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">1994\u5e74<\/span><\/strong><\/span><span class=\"md-plain\">\uff1a\u7531\u54c8\u5764\u00b7\u5229\uff08H\u00e5kon Wium Lie\uff09\u9996\u6b21\u63d0\u51fa\uff0c\u65e8\u5728\u89e3\u51b3HTML\u6837\u5f0f\u4e0e\u5185\u5bb9\u6df7\u6742\u5bfc\u81f4\u7684\u4ee3\u7801\u81c3\u80bf\u95ee\u9898\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">1996\u5e74<\/span><\/strong><\/span><span class=\"md-plain\">\uff1aCSS1\u6210\u4e3aW3C\u63a8\u8350\u6807\u51c6\uff0c\u652f\u6301\u57fa\u7840\u6837\u5f0f\u63a7\u5236\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">1998\u5e74<\/span><\/strong><\/span><span class=\"md-plain\">\uff1aCSS2\u589e\u52a0\u6d6e\u52a8\u3001\u5b9a\u4f4d\u7b49\u590d\u6742\u5e03\u5c40\u529f\u80fd\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">2010\u5e74<\/span><\/strong><\/span><span class=\"md-plain\">\uff1aCSS3\u5f15\u5165\u5706\u89d2\u3001\u9634\u5f71\u3001\u52a8\u753b\u7b49\u73b0\u4ee3\u7279\u6027\uff0c\u4e0eHTML5\u5171\u540c\u6210\u4e3a\u7f51\u9875\u5f00\u53d1\u4e3b\u6d41\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<h3 class=\"md-end-block md-heading\"><span class=\"md-plain\">1.3 CSS \u7684\u7248\u672c\u6f14\u8fdb<\/span><\/h3>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">CSS3<\/span><\/strong><\/span><span class=\"md-plain\">\uff1a\u5f53\u524d\u4e3b\u6d41\u7248\u672c\uff0c\u6a21\u5757\u5316\u5f15\u5165\u5f39\u6027\u5e03\u5c40\u3001\u52a8\u753b\u3001\u5a92\u4f53\u67e5\u8be2\u7b49\u529f\u80fd\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5411\u540e\u517c\u5bb9<\/span><\/strong><\/span><span class=\"md-plain\">\uff1a\u65b0\u7279\u6027\u5728\u4e0d\u652f\u6301\u7684\u8001\u6d4f\u89c8\u5668\u4e2d\u53ef\u5e73\u7a33\u964d\u7ea7\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<h3 class=\"md-end-block md-heading\"><span class=\"md-plain\">1.4 CSS \u7684\u5e94\u7528\u573a\u666f<\/span><\/h3>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u7f51\u9875\u8bbe\u8ba1<\/span><\/strong><\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u7f51\u9875\u89c6\u89c9\u7f8e\u5316\uff08\u5b57\u4f53\u3001\u989c\u8272\u3001\u80cc\u666f\uff09\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u6784\u5efa\u54cd\u5e94\u5f0f\u7f51\u7ad9\uff0c\u9002\u914d\u4e0d\u540c\u8bbe\u5907\uff08\u624b\u673a\u3001\u5e73\u677f\u3001\u684c\u9762\uff09\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u52a8\u6001\u4ea4\u4e92\u6548\u679c\uff08\u60ac\u505c\u3001\u70b9\u51fb\u53cd\u9988\uff09\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u6253\u5370\u6837\u5f0f\u4f18\u5316\uff08<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>@media print<\/code><\/span><span class=\"md-plain\">\uff09\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u7ec4\u4ef6\u5316\u5f00\u53d1\uff08\u914d\u5408CSS-in-JS\u6216CSS Modules\uff09\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5b9e\u73b0\u590d\u6742\u7684 UI \u7ec4\u4ef6<\/span><\/strong><\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u5982\u5bfc\u822a\u680f\u3001\u5361\u7247\u5e03\u5c40\u3001\u6a21\u6001\u6846\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u4e3b\u9898\u4e0e\u6837\u5f0f\u5e93<\/span><\/strong><\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u5f00\u53d1\u53ef\u590d\u7528\u7684 UI \u6846\u67b6\uff08\u5982 Bootstrap\u3001Tailwind CSS\uff09\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u52a8\u6001\u5207\u6362\u4e3b\u9898\uff08\u5982\u6697\u8272\u6a21\u5f0f\uff09\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u6027\u80fd\u4f18\u5316<\/span><\/strong><\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u4f7f\u7528 CSS \u538b\u7f29\u5de5\u5177\u51cf\u5c11\u6587\u4ef6\u4f53\u79ef\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u5229\u7528\u7f13\u5b58\u7b56\u7565\u63d0\u5347\u52a0\u8f7d\u901f\u5ea6\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u56fd\u9645\u5316\u4e0e\u65e0\u969c\u788d<\/span><\/strong><\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u901a\u8fc7\u903b\u8f91\u5c5e\u6027\u652f\u6301\u591a\u8bed\u8a00\u6392\u7248\uff08\u5982\u963f\u62c9\u4f2f\u8bed\u7684 RTL \u5e03\u5c40\uff09\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u786e\u4fdd\u6837\u5f0f\u517c\u5bb9\u5c4f\u5e55\u9605\u8bfb\u5668\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3 class=\"md-end-block md-heading\"><span class=\"md-plain\">1.5 CSS \u7684\u6838\u5fc3\u7279\u70b9<\/span><\/h3>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5206\u79bb\u6027<\/span><\/strong><\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5185\u5bb9\u4e0e\u8868\u73b0<\/span><\/strong><\/span><span class=\"md-plain\">\u5206\u79bb\uff0cHTML \u4e13\u6ce8\u7ed3\u6784\uff0cCSS \u63a7\u5236\u6837\u5f0f\uff0c\u4fbf\u4e8e\u7ef4\u62a4\u548c\u534f\u4f5c\u3002CSS \u5c06\u6837\u5f0f\u4e0e HTML \u7ed3\u6784\u5206\u79bb\uff0c\u63d0\u5347\u4ee3\u7801\u53ef\u7ef4\u62a4\u6027\u3002\u4fee\u6539\u6837\u5f0f\u65e0\u9700\u8c03\u6574 HTML \u7ed3\u6784\uff0c\u53ea\u9700\u66f4\u65b0 CSS \u6587\u4ef6\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5c42\u53e0\u6027<\/span><\/strong><\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u591a\u4e2a\u6837\u5f0f\u89c4\u5219\u53ef\u53e0\u52a0\u4f5c\u7528\u4e8e\u540c\u4e00\u5143\u7d20\uff0c\u6309\u4f18\u5148\u7ea7\uff08\u5982<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>!important<\/code><\/span><span class=\"md-plain\">&gt; \u5185\u8054\u6837\u5f0f &gt; ID \u9009\u62e9\u5668 &gt; \u7c7b\u9009\u62e9\u5668 &gt; \u6807\u7b7e\u9009\u62e9\u5668\uff09\u786e\u5b9a\u6700\u7ec8\u6548\u679c\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u7ee7\u627f\u6027<\/span><\/strong><\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u7236\u5143\u7d20\u7684\u6837\u5f0f\uff08\u5982\u5b57\u4f53\u3001\u989c\u8272\uff09\u53ef\u81ea\u52a8\u4f20\u9012\u5230\u5b50\u5143\u7d20\uff0c\u51cf\u5c11\u91cd\u590d\u4ee3\u7801\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u54cd\u5e94\u5f0f\u8bbe\u8ba1<\/span><\/strong><\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u901a\u8fc7\u5a92\u4f53\u67e5\u8be2\uff08Media Queries\uff09\u9002\u914d\u4e0d\u540c\u8bbe\u5907\u5c4f\u5e55\uff08\u5982\u624b\u673a\u3001\u7535\u8111\uff09\uff0c\u5b9e\u73b0\u81ea\u9002\u5e94\u5e03\u5c40\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u7cbe\u51c6\u63a7\u5236<\/span><\/strong><\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u50cf\u7d20\u7ea7\u8c03\u6574\u5143\u7d20\u4f4d\u7f6e\u3001\u5927\u5c0f\u3001\u8fb9\u6846\u7b49\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u6837\u5f0f\u590d\u7528<\/span><\/strong><\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u4e00\u5957\u6837\u5f0f\u53ef\u5e94\u7528\u4e8e\u591a\u4e2a\u9875\u9762\uff0c\u51cf\u5c11\u91cd\u590d\u4ee3\u7801\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u6027\u80fd\u4f18\u5316<\/span><\/strong><\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u652f\u6301\u5916\u90e8\u6837\u5f0f\u8868\u7f13\u5b58\uff0c\u51cf\u5c11\u91cd\u590d\u4ee3\u7801\u52a0\u8f7d\u3002 <\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u4e30\u5bcc\u6548\u679c<\/span><\/strong><\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u652f\u6301\u6e10\u53d8\u3001\u5706\u89d2\u3001\u9634\u5f71\u3001\u52a8\u753b\u7b49\u73b0\u4ee3\u89c6\u89c9\u7279\u6027\uff08CSS3\uff09\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u53ef\u6269\u5c55\u6027<\/span><\/strong><\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u901a\u8fc7\u9884\u5904\u7406\u5668\uff08\u5982 Sass\/Less\uff09\u6216\u540e\u5904\u7406\u5668\uff08\u5982PostCSS\uff09\u589e\u5f3a\u529f\u80fd\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u8de8\u6d4f\u89c8\u5668\u4e00\u81f4\u6027<\/span><\/strong><\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u901a\u8fc7\u6807\u51c6\u5316\u5c5e\u6027\uff08\u5982 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>display: flex<\/code><\/span><span class=\"md-plain\">\uff09\u51cf\u5c11\u6837\u5f0f\u5dee\u5f02\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<h3 class=\"md-end-block md-heading\"><span class=\"md-plain\">1.6 CSS \u7684\u529f\u80fd\u4f5c\u7528<\/span><\/h3>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u63a7\u5236\u7f51\u9875\u5916\u89c2<\/span><\/strong><\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u989c\u8272\u8868\u793a<\/span><\/strong><\/span><span class=\"md-plain\">\uff1a\u652f\u6301\u5341\u516d\u8fdb\u5236\uff08\u5982 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>#FFFF00<\/code><\/span><span class=\"md-plain\"> \u8868\u793a\u9ec4\u8272\uff09\u3001RGB \u7b49\u683c\u5f0f\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u6587\u672c\u6837\u5f0f<\/span><\/strong><\/span><span class=\"md-plain\">\uff1a\u5b57\u4f53\u3001\u989c\u8272\u3001\u5bf9\u9f50\u65b9\u5f0f\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u6392\u7248\u63a7\u5236<\/span><\/strong><\/span><span class=\"md-plain\"> \uff1a\u53ef\u4ee5\u7cbe\u786e\u5730\u8bbe\u7f6e\u5b57\u4f53\u3001\u5b57\u53f7\u3001\u884c\u8ddd\u3001\u5b57\u8ddd\u7b49\u6392\u7248\u5c5e\u6027\uff0c\u5b9e\u73b0\u4e30\u5bcc\u7684\u6587\u672c\u6392\u7248\u6548\u679c\uff0c\u5982\u4e0d\u540c\u7684\u5b57\u4f53\u6837\u5f0f\u3001\u5927\u5c0f\u5199\u8f6c\u6362\u3001\u6587\u672c\u9634\u5f71\u7b49\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5916\u89c2\u7f8e\u5316<\/span><\/strong><\/span><span class=\"md-plain\"> \uff1a\u53ef\u8bbe\u7f6e\u5143\u7d20\u7684\u989c\u8272\u3001\u80cc\u666f\u56fe\u50cf\u3001\u8fb9\u6846\u6837\u5f0f\u3001\u5706\u89d2\u3001\u9634\u5f71\u7b49\u5916\u89c2\u5c5e\u6027\uff0c\u4f7f\u7f51\u9875\u66f4\u5177\u89c6\u89c9\u5438\u5f15\u529b\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5b9e\u73b0\u590d\u6742\u7684\u5e03\u5c40<\/span><\/strong><\/span><span class=\"md-plain\">\uff08\uff08Flexbox\uff09\u5f39\u6027\u76d2\u5b50\u3001\uff08Grid\uff09\u7f51\u683c\u5e03\u5c40\u3001\u54cd\u5e94\u5f0f\u8bbe\u8ba1\uff09\u3002<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5e03\u5c40\u8bbe\u8ba1<\/span><\/strong><\/span><span class=\"md-plain\"> \uff1a\u901a\u8fc7\u5b9a\u4f4d\u5c5e\u6027\uff08\u5982 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>position<\/code><\/span><span class=\"md-plain\">\uff09\u3001\u76d2\u6a21\u578b\uff08<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>margin<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>padding<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>border<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>width<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>height<\/code><\/span><span class=\"md-plain\"> \u7b49\uff09\u4ee5\u53ca\u5f39\u6027\u5e03\u5c40\uff08<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>flex<\/code><\/span><span class=\"md-plain\"> \u5e03\u5c40\uff09\u3001\u7f51\u683c\u5e03\u5c40\uff08<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>grid<\/code><\/span><span class=\"md-plain\"> \u5e03\u5c40\uff09\u7b49\u6280\u672f\uff0c\u5b9e\u73b0\u590d\u6742\u7684\u7f51\u9875\u5e03\u5c40\uff0c\u5982\u54cd\u5e94\u5f0f\u5e03\u5c40\u3001\u591a\u5217\u5e03\u5c40\u7b49\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u7ba1\u7406\u5143\u7d20\u7684\u52a8\u6001\u72b6\u6001<\/span><\/strong><\/span><span class=\"md-plain\">\uff08\u60ac\u505c\u6548\u679c\u3001\u52a8\u753b\uff09\u3002<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u4ea4\u4e92\u6548\u679c<\/span><\/strong><\/span><span class=\"md-plain\"> \uff1a\u5229\u7528\u4f2a\u7c7b\u548c CSS \u52a8\u753b\uff08<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>@keyframes<\/code><\/span><span class=\"md-plain\">\uff09\u3001\u8fc7\u6e21\uff08<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>transition<\/code><\/span><span class=\"md-plain\">\uff09\u7b49\u7279\u6027\uff0c\u4e3a\u7f51\u9875\u6dfb\u52a0\u4ea4\u4e92\u6548\u679c\uff0c\u5982\u6309\u94ae\u60ac\u505c\u6548\u679c\u3001\u70b9\u51fb\u6548\u679c\u3001\u5143\u7d20\u7684\u52a8\u753b\u8fc7\u6e21\u3001\u5173\u952e\u5e27\u52a8\u753b\u7b49\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5185\u5bb9\u4e0e\u6837\u5f0f\u7684\u5206\u79bb<\/span><\/strong><\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u901a\u8fc7 CSS \u5c06\u7f51\u9875\u7684\u7ed3\u6784\uff08HTML\uff09\u4e0e\u8868\u73b0\uff08CSS \u6837\u5f0f\uff09\u89e3\u8026\uff0c\u5b9e\u73b0\u5185\u5bb9\uff08HTML\uff09\u4e0e\u6837\u5f0f\uff08CSS\uff09\u5206\u79bb\uff0c\u4fbf\u4e8e\u7ef4\u62a4\u548c\u66f4\u65b0\uff0c\u63d0\u5347\u4ee3\u7801\u53ef\u7ef4\u62a4\u6027\u548c\u590d\u7528\u6027\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u5141\u8bb8\u901a\u8fc7\u4e00\u4e2a\u6837\u5f0f\u8868\u6587\u4ef6\u7edf\u4e00\u7ba1\u7406\u591a\u4e2a\u9875\u9762\u7684\u6837\u5f0f\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<ol class=\"ol-list\" start=\"5\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u63d0\u5347\u5f00\u53d1\u6548\u7387<\/span><\/strong><\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u907f\u514d\u91cd\u590d\u7684 HTML \u6807\u7b7e\uff08\u5982 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>&lt;font&gt;<\/code><\/span><span class=\"md-plain\"> \u6216\u8868\u683c\u5e03\u5c40\uff09\uff0c\u51cf\u5c11\u4ee3\u7801\u5197\u4f59\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u652f\u6301\u7ee7\u627f\u548c\u5c42\u53e0\u89c4\u5219\uff0c\u7b80\u5316\u6837\u5f0f\u8986\u76d6\u903b\u8f91\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3 class=\"md-end-block md-heading\"><span class=\"md-plain\">1.7 CSS \u7684\u5de5\u4f5c\u539f\u7406<\/span><\/h3>\n<ol class=\"ol-list\" start=\"\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u89e3\u6790 HTML<\/span><\/strong><\/span><span class=\"md-plain\">\uff0c\u751f\u6210 DOM \u6811\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u89e3\u6790 CSS<\/span><\/strong><\/span><span class=\"md-plain\"> \uff0c\u751f\u6210 CSSOM \u6811\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5408\u5e76 DOM + CSSOM<\/span><\/strong><\/span><span class=\"md-plain\">\uff0c\u6784\u5efa\u6e32\u67d3\u6811\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5e03\u5c40\u4e0e\u7ed8\u5236<\/span><\/strong><\/span><span class=\"md-plain\">\uff0c\u8ba1\u7b97\u5143\u7d20\u4f4d\u7f6e\u5e76\u6e32\u67d3\u9875\u9762\u3002<\/span><\/p>\n<\/li>\n<\/ol>\n<h3 class=\"md-end-block md-heading\"><span class=\"md-plain\">1.8 CSS \u7684\u4f18\u52bf\u4e0e\u5c40\u9650<\/span><\/h3>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u4f18\u52bf<\/span><\/strong><\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u6027\u80fd\u4f18\u5316<\/span><\/strong><\/span><span class=\"md-plain\">\uff1a\u5916\u90e8\u6837\u5f0f\u8868\u53ef\u88ab\u6d4f\u89c8\u5668\u7f13\u5b58\uff0c\u51cf\u5c11\u91cd\u590d\u52a0\u8f7d\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">SEO\u53cb\u597d<\/span><\/strong><\/span><span class=\"md-plain\">\uff1a\u7ed3\u6784\u6e05\u6670\u7684HTML\u66f4\u6613\u88ab\u641c\u7d22\u5f15\u64ce\u6293\u53d6\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u7ef4\u62a4\u4fbf\u6377<\/span><\/strong><\/span><span class=\"md-plain\">\uff1a\u5168\u5c40\u6837\u5f0f\u53ef\u901a\u8fc7\u5355\u4e00CSS\u6587\u4ef6\u7edf\u4e00\u8c03\u6574\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5c40\u9650<\/span><\/strong><\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u6d4f\u89c8\u5668\u517c\u5bb9\u6027\u95ee\u9898\uff08\u5982\u65e7\u7248IE\u4e0d\u652f\u6301\u90e8\u5206CSS3\u5c5e\u6027\uff09\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u5b66\u4e60\u66f2\u7ebf\u8f83\u9661\uff0c\u9700\u638c\u63e1\u9009\u62e9\u5668\u4f18\u5148\u7ea7\u3001\u76d2\u6a21\u578b\u7b49\u590d\u6742\u6982\u5ff5\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">CSS \u672c\u8eab\u4e3b\u8981\u7528\u4e8e\u6837\u5f0f\u548c\u5e03\u5c40\uff0c\u5bf9\u4e8e\u9875\u9762\u7684\u7ed3\u6784\u548c\u5185\u5bb9\u903b\u8f91\u7684\u63a7\u5236\u80fd\u529b\u8f83\u5f31\uff0c\u901a\u5e38\u9700\u8981\u4e0e HTML \u548c JavaScript \u914d\u5408\u4f7f\u7528\u6765\u5b9e\u73b0\u66f4\u590d\u6742\u7684\u7f51\u9875\u529f\u80fd\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u4e00\u4e9b\u590d\u6742\u7684\u6837\u5f0f\u6548\u679c\u53ef\u80fd\u9700\u8981\u4f7f\u7528\u8f83\u591a\u7684\u4ee3\u7801\u548c\u6280\u5de7\u6765\u5b9e\u73b0\uff0c\u5e76\u4e14\u5728\u4e0d\u540c\u6d4f\u89c8\u5668\u4e2d\u53ef\u80fd\u5b58\u5728\u517c\u5bb9\u6027\u95ee\u9898\uff0c\u9700\u8981\u8fdb\u884c\u989d\u5916\u7684\u6d4b\u8bd5\u548c\u8c03\u6574\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<div class=\"md-hr md-end-block\" tabindex=\"-1\">\n<hr \/>\n<\/div>\n<h2 class=\"md-end-block md-heading\"><span class=\"md-plain\">2 CSS \u5f15\u5165\u65b9\u5f0f\u4e0e\u4f18\u5148\u7ea7<\/span><\/h2>\n<h3 class=\"md-end-block md-heading\"><span class=\"md-plain\">2.1 \u5916\u90e8\u6837\u5f0f\u8868\uff08\u6700\u5e38\u7528\uff09<\/span><\/h3>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\"> \u5916\u90e8\u6837\u5f0f\u8868\uff08External style sheet\uff09\uff0c\u7f16\u5199\u5728HTML\u6587\u6863\u4e2d\u7684<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>&lt;head&gt; &lt;\/head&gt;<\/code><\/span><span class=\"md-plain\">\u5934\u90e8\u5143\u7d20\u4e4b\u95f4\uff0c\u901a\u8fc7<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>&lt;link&gt;<\/code><\/span><span class=\"md-plain\">\u5143\u7d20\u6807\u7b7e\u5f15\u5165\u72ec\u7acb CSS \u6587\u4ef6\uff0c\u65b9\u4fbf\u5b9e\u73b0\u591a\u9875\u9762\u590d\u7528\uff1a<\/span><\/p>\n<pre class=\"md-fences md-end-block ty-contain-cm modeLoaded\" lang=\"html\" spellcheck=\"false\"><span role=\"presentation\"><span class=\"cm-tag cm-bracket\">&lt;<\/span><span class=\"cm-tag\">head<\/span><span class=\"cm-tag cm-bracket\">&gt;<\/span><\/span>\r\n<span role=\"presentation\"> \u00a0 \u00a0<span class=\"cm-tag cm-bracket\">&lt;<\/span><span class=\"cm-tag\">link<\/span> <span class=\"cm-attribute\">rel<\/span>=<span class=\"cm-string\">\"stylesheet\"<\/span> <span class=\"cm-attribute\">href<\/span>=<span class=\"cm-string\">\"style.css\"<\/span><span class=\"cm-tag cm-bracket\">&gt;<\/span><\/span>\r\n<span role=\"presentation\"><span class=\"cm-tag cm-bracket\">&lt;\/<\/span><span class=\"cm-tag\">head<\/span><span class=\"cm-tag cm-bracket\">&gt;<\/span><\/span><\/pre>\n<h3 class=\"md-end-block md-heading\"><span class=\"md-plain\">2.2 \u5185\u90e8\u6837\u5f0f\u8868<\/span><\/h3>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\"> \u5185\u90e8\u6837\u5f0f\u8868\uff08Internal style sheet\uff09\uff0c\u901a\u5e38\u7f16\u5199\u5728HTML\u6587\u6863\u4e2d\u7684<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>&lt;head&gt; &lt;\/head&gt;<\/code><\/span><span class=\"md-plain\">\u5934\u90e8\u5143\u7d20\u4e4b\u95f4\u7684<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>&lt;style&gt; &lt;\/style&gt;<\/code><\/span><span class=\"md-plain\">\u5143\u7d20\u5185\uff0c\u901a\u8fc7\u5728<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>&lt;style&gt;<\/code><\/span><span class=\"md-plain\">\u5143\u7d20\u5185\uff0c\uff08\u4e14\u9700\u8981\u5199\u5728 link \u5916\u90e8\u6837\u5f0f\u8868\u7684<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u540e\u9762<\/span><\/strong><\/span><span class=\"md-plain\">\uff0c\u5426\u5219\u4f1a\u88ab\u5916\u90e8\u6837\u5f0f\u8868\u4f18\u5148\u8986\u76d6\u5185\u90e8\u6837\u5f0f\u8868\uff09\uff0c\u76f4\u63a5\u5b9a\u4e49 CSS \u6837\u5f0f\uff0c\u4ec5\u5f53\u524d\u9875\u9762\u6709\u6548\uff1a<\/span><\/p>\n<pre class=\"md-fences md-end-block ty-contain-cm modeLoaded\" lang=\"html\" spellcheck=\"false\"><span role=\"presentation\"><span class=\"cm-tag cm-bracket\">&lt;<\/span><span class=\"cm-tag\">style<\/span><span class=\"cm-tag cm-bracket\">&gt;<\/span><\/span>\r\n<span role=\"presentation\"> \u00a0 \u00a0<span class=\"cm-tag\">body<\/span> { <span class=\"cm-property\">background<\/span>: <span class=\"cm-atom\">#f0f0f0<\/span>; }<\/span>\r\n<span role=\"presentation\"><span class=\"cm-tag cm-bracket\">&lt;\/<\/span><span class=\"cm-tag\">style<\/span><span class=\"cm-tag cm-bracket\">&gt;<\/span><\/span><\/pre>\n<h3 class=\"md-end-block md-heading\"><span class=\"md-plain\">2.3 \u5185\u8054\u6837\u5f0f\u8868<\/span><\/h3>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\"> \u5185\u8054\u6837\u5f0f\u8868\uff08Inline style\uff09\uff0c\u76f4\u63a5\u5199\u5728 HTML \u6587\u6863\u5143\u7d20\u6807\u7b7e\u7684<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>style<\/code><\/span><span class=\"md-plain\">\u5c5e\u6027\u4e2d\uff0c\u4f18\u5148\u7ea7\u6700\u9ad8\u4f46\u4e0d\u5229\u4e8e\u7ef4\u62a4\uff1a<\/span><\/p>\n<pre class=\"md-fences md-end-block ty-contain-cm modeLoaded\" lang=\"html\" spellcheck=\"false\"><span role=\"presentation\"><span class=\"cm-tag cm-bracket\">&lt;<\/span><span class=\"cm-tag\">p<\/span> <span class=\"cm-attribute\">style<\/span>=<span class=\"cm-string\">\"color: purple;\"<\/span><span class=\"cm-tag cm-bracket\">&gt;<\/span>\u793a\u4f8b\u6587\u672c<span class=\"cm-tag cm-bracket\">&lt;\/<\/span><span class=\"cm-tag\">p<\/span><span class=\"cm-tag cm-bracket\">&gt;<\/span><\/span><\/pre>\n<h3 class=\"md-end-block md-heading\"><span class=\"md-plain\">2.4 \u6837\u5f0f\u8868\u7684\u4f18\u5148\u7ea7<\/span><\/h3>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\"> \u5185\u8054\u6837\u5f0f &gt; \u5185\u90e8\u6837\u5f0f &gt; \u5916\u90e8\u6837\u5f0f &gt; \u6d4f\u89c8\u5668\u9ed8\u8ba4\u6837\u5f0f\u3002<\/span><\/p>\n<div class=\"md-hr md-end-block\" tabindex=\"-1\">\n<hr \/>\n<\/div>\n<h2 class=\"md-end-block md-heading\"><span class=\"md-plain\">3 CSS \u7684\u57fa\u7840\u8bed\u6cd5<\/span><\/h2>\n<h3 class=\"md-end-block md-heading\"><span class=\"md-plain\">3.1 CSS \u6837\u5f0f\u89c4\u5219<\/span><\/h3>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\"> \u7531\u4e00\u7cfb\u5217<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u89c4\u5219<\/span><\/strong><\/span><span class=\"md-plain\">\u96c6\u7ec4\u6210\uff0c\u89c4\u5219\u96c6\uff08ruleset\uff09\u5e38\u7b80\u79f0\u4e3a\u89c4\u5219\uff08rule\uff09\u3002\u6bcf\u6761\u89c4\u5219\u96c6\uff08ruleset\uff09\u662f\u7531<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u9009\u62e9\u5668\uff08selector\uff09<\/span><\/strong><\/span><span class=\"md-plain\">\u548c<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u58f0\u660e\u5757<\/span><\/strong><\/span><span class=\"md-plain\">\u6784\u6210\u3002\u5982\u4e0b\u6240\u793a\uff1a<\/span><\/p>\n<pre class=\"md-fences md-end-block ty-contain-cm modeLoaded\" lang=\"css\" spellcheck=\"false\"><span role=\"presentation\"><span class=\"cm-tag\">selector_1<\/span>, \u00a0 \u00a0 <span class=\"cm-comment\">\/* \u9009\u62e9\u56681 *\/<\/span><\/span>\r\n<span role=\"presentation\"><span class=\"cm-tag\">selector_2<\/span>, \u00a0 \u00a0 <span class=\"cm-comment\">\/* \u9009\u62e9\u56682 *\/<\/span><\/span>\r\n<span role=\"presentation\"><span class=\"cm-tag\">selector_n<\/span> { \u00a0 \u00a0<span class=\"cm-comment\">\/* \u9009\u62e9\u5668n *\/<\/span><\/span>\r\n<span role=\"presentation\"> \u00a0<span class=\"cm-property cm-error\">property_1<\/span>: <span class=\"cm-variable\">value_1<\/span>; <span class=\"cm-comment\">\/* \u58f0\u660e\u57571 *\/<\/span> <span class=\"cm-comment\">\/* \u5c5e\u6027\u540d_1: \u5c5e\u6027\u503c_1 *\/<\/span><\/span>\r\n<span role=\"presentation\"> \u00a0<span class=\"cm-property cm-error\">property_2<\/span>: <span class=\"cm-variable\">value_2<\/span>; <span class=\"cm-comment\">\/* \u58f0\u660e\u57572 *\/<\/span> <span class=\"cm-comment\">\/* \u5c5e\u6027\u540d_2: \u5c5e\u6027\u503c_2 *\/<\/span><\/span>\r\n<span role=\"presentation\"> \u00a0<span class=\"cm-property cm-error\">property_n<\/span>: <span class=\"cm-variable\">value_n<\/span>; <span class=\"cm-comment\">\/* \u58f0\u660e\u5757n *\/<\/span> <span class=\"cm-comment\">\/* \u5c5e\u6027\u540d_n: \u5c5e\u6027\u503c_n *\/<\/span><\/span>\r\n<span role=\"presentation\">}<\/span><\/pre>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u9009\u62e9\u5668<\/span><\/strong><\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u9009\u62e9\u5668<\/span><\/strong><\/span><span class=\"md-plain\">\uff08Selectors\uff09\u7528\u4e8e\u6307\u5b9a\u8981\u5e94\u7528\u6837\u5f0f\u7684 HTML \u6216 XML \u5143\u7d20\uff08\u5982<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>#id<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>.class<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>h1<\/code><\/span><span class=\"md-plain\">\uff09\uff0c\u4f8b\u5982\uff1a <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>#id<\/code><\/span><span class=\"md-plain\"> \u7528\u4e8e\u9009\u62e9\u5177\u6709\u7279\u5b9a ID \u7684\u5143\u7d20\uff0c<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>.class<\/code><\/span><span class=\"md-plain\"> \u7528\u4e8e\u9009\u62e9\u5177\u6709\u7279\u5b9a\u7c7b\u7684\u5143\u7d20\uff0c<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>p<\/code><\/span><span class=\"md-plain\"> \u7528\u4e8e\u9009\u62e9\u6240\u6709\u6bb5\u843d\u5143\u7d20\u7b49\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u58f0\u660e\u5757<\/span><\/strong><\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u58f0\u660e\u5757<\/span><\/strong><\/span><span class=\"md-plain\">\uff08Declaration Block\uff09\u7531\u4e00\u5bf9\u5927\u62ec\u53f7 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>{}<\/code><\/span><span class=\"md-plain\"> \u5305\u56f4\uff0c\u5176\u4e2d\u5305\u542b\u4e00\u6761\u6216\u591a\u6761\uff08<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>\u5c5e\u6027: \u503c;<\/code><\/span><span class=\"md-plain\">\uff09\u58f0\u660e\uff08Declaration\uff09 \u3002\u6bcf\u6761\u58f0\u660e\u90fd\u662f\u7531\u5c5e\u6027\u548c\u503c\u7ec4\u6210\uff0c\u7528\u4e8e\u6307\u5b9a\u5143\u7d20\u7684\u6837\u5f0f\uff0c\u4f8b\u5982\uff08 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>color: black;<\/code><\/span><span class=\"md-plain\">\uff09 \u8868\u793a\u8bbe\u7f6e\u5143\u7d20\u7684\u6587\u672c\u989c\u8272\u4e3a\u9ed1\u8272\u3002<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u5c5e\u6027\uff08Property\uff09\uff1a\u662f\u4e00\u4e2a\u6807\u8bc6\u7b26\uff0c\u7528\u53ef\u8bfb\u7684\u540d\u79f0\u6765\u8868\u793a\u5176\u7279\u6027\u3002\u5982<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>color<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>font-size<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>margin<\/code><\/span><span class=\"md-plain\">\u7b49\u6837\u5f0f\u5c5e\u6027\uff08style attribute\uff09\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u503c\uff08Value\uff09\uff1a\u5c5e\u6027\u7684\u5177\u4f53\u8bbe\u7f6e\uff0c\u6bcf\u4e2a\u5c5e\u6027\u90fd\u5305\u542b\u4e00\u4e2a\u6709\u6548\u503c\u7684\u96c6\u5408\uff0c\u5b83\u6709\u6b63\u5f0f\u7684\u8bed\u6cd5\u548c\u8bed\u4e49\u5b9a\u4e49\u3002\u5982<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>red<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>16px<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>auto<\/code><\/span><span class=\"md-plain\">\u7b49\u3002\uff08\u5c5e\u6027\u503c\u4e0e\u5355\u4f4d<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u4e0d\u80fd\u6709\u7a7a\u683c<\/span><\/strong><\/span><span class=\"md-plain\">\uff0c16 px\u662f\u9519\u8bef\u7684\uff0c\u6b63\u786e\u7684\u5199\u6cd5\u662f16px\uff09\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u6ce8\u91ca<\/span><\/strong><\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u4f7f\u7528 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>\/* \u6ce8\u91ca\u5185\u5bb9 *\/<\/code><\/span><span class=\"md-plain\">\uff0c\u6dfb\u52a0 CSS \u5c42\u53e0\u6837\u5f0f\u8868\u4e2d\u7684\u6ce8\u91ca\u5185\u5bb9\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<h3 class=\"md-end-block md-heading\"><span class=\"md-plain\">3.2 CSS \u6837\u5f0f\u9009\u62e9\u5668<\/span><\/h3>\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u9009\u62e9\u5668<\/span><\/strong><\/span><span class=\"md-plain\">\uff08Selectors\uff09\u81f3\u5c11\u8981\u6709\u4e00\u4e2a\uff0c\u901a\u8fc7<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">ID<\/span><\/strong><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u7c7b\u540d<\/span><\/strong><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5143\u7d20\u6807\u7b7e\u540d<\/span><\/strong><\/span><span class=\"md-plain\">\u7b49\u7cbe\u51c6\u5b9a\u4f4dHTML\u5143\u7d20\uff0c\u5e76\u6307\u5b9a\u8981\u5e94\u7528\u7684\u6837\u5f0f\uff08\u5982 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>#id<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>.class<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>p<\/code><\/span><span class=\"md-plain\">\uff09\uff0c\u6216\u901a\u8fc7<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5c5e\u6027<\/span><\/strong><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u4f2a\u7c7b<\/span><\/strong><\/span><span class=\"md-plain\">\u7b49\u5b9e\u73b0\u52a8\u6001\u6837\u5f0f\u3002\u5982\u679c\u5305\u542b\u591a\u4e2a\u9009\u62e9\u5668\u7684\u96c6\u5408\u5206\u7ec4\uff0c\u5219\u7528\u9017\u53f7<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>,<\/code><\/span><span class=\"md-plain\">\u5206\u9694\u3002<\/span><\/p>\n<pre class=\"md-fences md-end-block ty-contain-cm modeLoaded\" lang=\"css\" spellcheck=\"false\"><span role=\"presentation\"><span class=\"cm-builtin\">#header<\/span> { <span class=\"cm-property\">background-color<\/span>: <span class=\"cm-keyword\">gray<\/span>; } <span class=\"cm-comment\">\/* ID\u9009\u62e9\u5668 *\/<\/span><\/span>\r\n<span role=\"presentation\"><span class=\"cm-qualifier\">.text-red<\/span> { <span class=\"cm-property\">color<\/span>: <span class=\"cm-keyword\">red<\/span>; } <span class=\"cm-comment\">\/* \u7c7b\u9009\u62e9\u5668 *\/<\/span><\/span>\r\n<span role=\"presentation\">[<span class=\"cm-tag\">type<\/span>=<span class=\"cm-string\">\"text\"<\/span>] { <span class=\"cm-property\">border<\/span>: <span class=\"cm-number\">1px<\/span> <span class=\"cm-atom\">solid<\/span> <span class=\"cm-keyword\">black<\/span>; } <span class=\"cm-comment\">\/* \u5c5e\u6027\u9009\u62e9\u5668 *\/<\/span><\/span>\r\n<span role=\"presentation\">:<span class=\"cm-variable-3\">hover<\/span> { } <span class=\"cm-comment\">\/* \u4f2a\u7c7b\uff08\u72b6\u6001\uff09 *\/<\/span><\/span>\r\n<span role=\"presentation\">::<span class=\"cm-variable-3\">before<\/span> { } <span class=\"cm-comment\">\/* \u4f2a\u5143\u7d20\uff08\u751f\u6210\u5185\u5bb9\uff09 *\/<\/span><\/span>\r\n<span role=\"presentation\"><span class=\"cm-tag\">p<\/span> { <span class=\"cm-property\">color<\/span>: <span class=\"cm-keyword\">blue<\/span>; } <span class=\"cm-comment\">\/* \u5143\u7d20\u6807\u7b7e\u9009\u62e9\u5668 *\/<\/span><\/span>\r\n<span role=\"presentation\"><span class=\"cm-tag\">div<\/span> <span class=\"cm-tag\">p<\/span> { <span class=\"cm-property\">margin<\/span>: <span class=\"cm-number\">10px<\/span>; } \u00a0 \u00a0 \u00a0<span class=\"cm-comment\">\/* \u5173\u7cfb\u7ec4\u5408\u9009\u62e9\u5668 *\/<\/span> <span class=\"cm-comment\">\/* \u540e\u4ee3\u9009\u62e9\u5668 *\/<\/span><\/span>\r\n<span role=\"presentation\"><span class=\"cm-tag\">div<\/span> &gt; <span class=\"cm-tag\">p<\/span> { <span class=\"cm-property\">padding<\/span>: <span class=\"cm-number\">5px<\/span>; } \u00a0 \u00a0<span class=\"cm-comment\">\/* \u5173\u7cfb\u7ec4\u5408\u9009\u62e9\u5668 *\/<\/span> <span class=\"cm-comment\">\/* \u5b50\u9009\u62e9\u5668 *\/<\/span><\/span>\r\n<span role=\"presentation\"><span class=\"cm-tag\">h1<\/span> + <span class=\"cm-tag\">p<\/span> { <span class=\"cm-property\">font-weight<\/span>: <span class=\"cm-atom\">bold<\/span>; } <span class=\"cm-comment\">\/* \u5173\u7cfb\u7ec4\u5408\u9009\u62e9\u5668 *\/<\/span> <span class=\"cm-comment\">\/* \u76f8\u90bb\u5144\u5f1f\u9009\u62e9\u5668 *\/<\/span><\/span><\/pre>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\"> \u5e38\u89c1\u7684\u9009\u62e9\u5668\u7c7b\u578b\uff0c\u6709\u4ee5\u4e0b\u51e0\u79cd\uff1a<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">ID \u9009\u62e9\u5668<\/span><\/strong><\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u4f7f\u7528<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u552f\u4e00<\/span><\/strong><\/span><span class=\"md-plain\">\u7684 <\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">ID \u6807\u8bc6\u7b26<\/span><\/strong><\/span><span class=\"md-plain\">\u6765\u9009\u62e9\u5143\u7d20\uff0c\u5339\u914d\u5177\u6709<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u540c\u540d ID \u5c5e\u6027\u503c<\/span><\/strong><\/span><span class=\"md-plain\">\u7684\u5143\u7d20\uff0c\uff08ID \u6807\u8bc6\u7b26<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u4e0d\u8981\u4ee5\u6570\u5b57\u5f00\u5934<\/span><\/strong><\/span><span class=\"md-plain\">\uff0c\u4e2a\u522b\u6d4f\u89c8\u5668\u4e0d\u8d77\u4f5c\u7528\uff09\u3002ID \u524d\u9700\u8981\u52a0\u4e0a\uff08\u4e95\u53f7 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>#<\/code><\/span><span class=\"md-plain\">\uff09\uff0c\u5982 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>#myId<\/code><\/span><span class=\"md-plain\"> \u53ea\u4f1a\u9009\u4e2d\u9875\u9762\u4e0a\u552f\u4e00\u5177\u6709 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>id=\"myId\"<\/code><\/span><span class=\"md-plain\"> \u5c5e\u6027\u7684\u5143\u7d20\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u4f8b\u5982\uff1a<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>#bg1 { background: blue; }<\/code><\/span><span class=\"md-plain\">\uff0c\u5339\u914d\u5177\u6709 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>id<\/code><\/span><span class=\"md-plain\"> \u5c5e\u6027\uff0c\u4e14 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>id<\/code><\/span><span class=\"md-plain\"> \u5c5e\u6027\u503c\u4e3a <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>bg1<\/code><\/span><span class=\"md-plain\"> \u7684\u6240\u6709\u5143\u7d20 \u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u7c7b\u9009\u62e9\u5668<\/span><\/strong><\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u4f7f\u7528<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u7c7b\u540d<\/span><\/strong><\/span><span class=\"md-plain\">\u6765\u9009\u62e9\u5143\u7d20\uff0c\u5339\u914d\u5177\u6709<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u540c\u540d class \u5c5e\u6027\u503c<\/span><\/strong><\/span><span class=\"md-plain\">\u7684\u5143\u7d20\uff0c\uff08\u7c7b\u540d<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u4e0d\u8981\u4ee5\u6570\u5b57\u5f00\u5934<\/span><\/strong><\/span><span class=\"md-plain\">\uff0c\u4e2a\u522b\u6d4f\u89c8\u5668\u4e0d\u8d77\u4f5c\u7528\uff09\u3002\u7c7b\u540d\u524d\u9700\u8981\u52a0\u4e0a\uff08\u70b9\u53f7 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>.<\/code><\/span><span class=\"md-plain\">\uff09\uff0c\u5982 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>.myClass<\/code><\/span><span class=\"md-plain\"> \u4f1a\u9009\u4e2d\u6240\u6709\u5177\u6709 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>class=\"myClass\"<\/code><\/span><span class=\"md-plain\"> \u5c5e\u6027\u7684\u5143\u7d20\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u4f8b\u5982\uff1a<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>.text1 { font-size: 16px; }<\/code><\/span><span class=\"md-plain\">\uff0c\u5339\u914d\u5177\u6709 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>class<\/code><\/span><span class=\"md-plain\"> \u5c5e\u6027\uff0c\u4e14 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>class<\/code><\/span><span class=\"md-plain\"> \u5c5e\u6027\u503c\u4e3a <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>text1<\/code><\/span><span class=\"md-plain\"> \u7684\u6240\u6709\u5143\u7d20\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5c5e\u6027\u9009\u62e9\u5668<\/span><\/strong><\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u6839\u636e\u5143\u7d20\u7684<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5c5e\u6027<\/span><\/strong><\/span><span class=\"md-plain\">\u53ca\u5176<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u503c<\/span><\/strong><\/span><span class=\"md-plain\">\u6765\u9009\u62e9\u5143\u7d20\uff0c\u5982 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>[type=\"text\"]<\/code><\/span><span class=\"md-plain\"> \u4f1a\u9009\u4e2d\u6240\u6709\u5177\u6709 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>type=\"text\"<\/code><\/span><span class=\"md-plain\"> \u5c5e\u6027\u7684\u5143\u7d20\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u4f8b\u5982\uff1a<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>[attribute] { background: red; }<\/code><\/span><span class=\"md-plain\"> \uff0c\u5339\u914d\u5177\u6709 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>attribute<\/code><\/span><span class=\"md-plain\"> \u5c5e\u6027\u7684\u6240\u6709\u5143\u7d20\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>[attribute1=value1] { background: red; }<\/code><\/span><span class=\"md-plain\"> \uff0c\u5339\u914d\u5177\u6709 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>attribute1<\/code><\/span><span class=\"md-plain\"> \u5c5e\u6027\uff0c\u4e14 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>attribute1<\/code><\/span><span class=\"md-plain\"> \u5c5e\u6027\u503c\u4e0e <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>value1<\/code><\/span> <span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u7b49\u540c<\/span><\/strong><\/span><span class=\"md-plain\">\u7684\u6240\u6709\u5143\u7d20\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>[attribute2^=value2] { background: red; }<\/code><\/span><span class=\"md-plain\">\uff0c\u5339\u914d\u5177\u6709 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>attribute2<\/code><\/span><span class=\"md-plain\"> \u5c5e\u6027\uff0c\u4e14 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>attribute2<\/code><\/span><span class=\"md-plain\"> \u5c5e\u6027\u503c\u4ee5 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>value2<\/code><\/span> <span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5f00\u5934<\/span><\/strong><\/span><span class=\"md-plain\">\u7684\u6240\u6709\u5143\u7d20\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>[attribute3$=value3] { background: red; }<\/code><\/span><span class=\"md-plain\">\uff0c\u5339\u914d\u5177\u6709 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>attribute3<\/code><\/span><span class=\"md-plain\"> \u5c5e\u6027\uff0c\u4e14 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>attribute3<\/code><\/span><span class=\"md-plain\"> \u5c5e\u6027\u503c\u4ee5 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>value3<\/code><\/span> <span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u7ed3\u5c3e<\/span><\/strong><\/span><span class=\"md-plain\">\u7684\u6240\u6709\u5143\u7d20\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>[attribute4*=value4] { background: red; }<\/code><\/span><span class=\"md-plain\">\uff0c\u5339\u914d\u5177\u6709 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>attribute4<\/code><\/span><span class=\"md-plain\"> \u5c5e\u6027\uff0c\u4e14 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>attribute4<\/code><\/span><span class=\"md-plain\"> \u5c5e\u6027\u503c<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5305\u542b<\/span><\/strong><\/span> <span class=\"md-pair-s\" spellcheck=\"false\"><code>value4<\/code><\/span><span class=\"md-plain\"> \u7684\u6240\u6709\u5143\u7d20\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>[attribute5~=value5] { background: red; }<\/code><\/span><span class=\"md-plain\">\uff0c\u5339\u914d\u5177\u6709 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>attribute5<\/code><\/span><span class=\"md-plain\"> \u5c5e\u6027\uff0c\u4e14 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>attribute5<\/code><\/span><span class=\"md-plain\"> \u5c5e\u6027\u503c<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5305\u542b<\/span><\/strong><\/span><span class=\"md-plain\">\u4e00\u4e2a\u4ee5<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u7a7a\u683c<\/span><\/strong><\/span><span class=\"md-plain\">\u5206\u9694\u7684\u503c\u4e0e <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>value5<\/code><\/span> <span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u7b49\u540c<\/span><\/strong><\/span><span class=\"md-plain\">\u7684\u6240\u6709\u5143\u7d20\u3002\u5373 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>attribute5<\/code><\/span><span class=\"md-plain\"> \u5c5e\u6027\u7684\u503c\u91cc\uff0c\u5fc5\u987b\u6709 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>value5<\/code><\/span><span class=\"md-plain\">\u8fd9\u4e2a\u5355\u8bcd\uff0c\u5e76\u4e14<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>value5<\/code><\/span><span class=\"md-plain\">\u8981\u4e0e\u5176\u5b83\u5355\u8bcd\u4e4b\u95f4\u6709<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u7a7a\u683c<\/span><\/strong><\/span><span class=\"md-plain\">\u5206\u9694\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>[attribute6|=value6] { background: red; }<\/code><\/span><span class=\"md-plain\">\uff0c\u5339\u914d\u5177\u6709 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>attribute6<\/code><\/span><span class=\"md-plain\"> \u5c5e\u6027\uff0c\u4e14 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>attribute6<\/code><\/span><span class=\"md-plain\"> \u5c5e\u6027\u503c\u4e0e <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>value6<\/code><\/span> <span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u7b49\u540c<\/span><\/strong><\/span><span class=\"md-plain\">\u6216\u4ee5 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>value6<\/code><\/span> <span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5f00\u5934<\/span><\/strong><\/span><span class=\"md-plain\">\u7684\u6240\u6709\u5143\u7d20\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u4f2a\u7c7b\u9009\u62e9\u5668<\/span><\/strong><\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u7528\u4e8e\u9009\u62e9\u5904\u4e8e\u7279\u5b9a\u72b6\u6001\u7684\u5143\u7d20\uff0c\u5982 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>:hover<\/code><\/span><span class=\"md-plain\"> \u7528\u4e8e\u9009\u62e9\u9f20\u6807\u60ac\u505c\u5728\u5143\u7d20\u4e0a\u65f6\u7684\u72b6\u6001\uff0c<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>:active<\/code><\/span><span class=\"md-plain\"> \u7528\u4e8e\u9009\u62e9\u9f20\u6807\u70b9\u51fb\u5143\u7d20\u65f6\u7684\u72b6\u6001\u7b49\u3002\u4f8b\u5982\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>a:hover { color: green; }<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u4f8b\u5982\uff1a<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>:first-child<\/code><\/span><span class=\"md-plain\">\uff0c\u7ed3\u6784\u6027\u4f2a\u7c7b\u9009\u62e9\u5668\uff0c\u5339\u914d\u5728\u4e00\u7ec4\u5144\u5f1f\u5143\u7d20\u4e2d\u7684<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u7b2c\u4e00\u4e2a<\/span><\/strong><\/span><span class=\"md-plain\">\u5143\u7d20\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>:last-child<\/code><\/span><span class=\"md-plain\">\uff0c\u7ed3\u6784\u6027\u4f2a\u7c7b\u9009\u62e9\u5668\uff0c\u5339\u914d\u5728\u4e00\u7ec4\u5144\u5f1f\u5143\u7d20\u4e2d\u7684<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u6700\u540e\u4e00\u4e2a<\/span><\/strong><\/span><span class=\"md-plain\">\u5143\u7d20\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>:nth-child(n)<\/code><\/span><span class=\"md-plain\">\uff0c\u7ed3\u6784\u6027\u4f2a\u7c7b\u9009\u62e9\u5668\uff0c\u6839\u636e\u5143\u7d20\u5728\u7236\u5143\u7d20\u5185\u7684\u5b50\u5143\u7d20\u5217\u8868\u4e2d\u7684<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u7d22\u5f15<\/span><\/strong><\/span><span class=\"md-plain\">\u6765\u5339\u914d\u9009\u62e9\u5143\u7d20\u3002<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>n<\/code><\/span><span class=\"md-plain\"> \u8868\u793a\u5143\u7d20\u5728\u5b50\u5143\u7d20\u5217\u8868\u4e2d\u7684<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u7b2c\u51e0\u4e2a<\/span><\/strong><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>:nth-last-child(n)<\/code><\/span><span class=\"md-plain\">\uff0c\u7ed3\u6784\u6027\u4f2a\u7c7b\u9009\u62e9\u5668\uff0c\u5339\u914d\u5b50\u5143\u7d20\u5217\u8868\u4e2d\u7684<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5012\u6570\u7b2c n \u4e2a<\/span><\/strong><\/span><span class=\"md-plain\">\u5b50\u5143\u7d20\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>:nth-child(odd)<\/code><\/span><span class=\"md-plain\">\uff0c\u7ed3\u6784\u6027\u4f2a\u7c7b\u9009\u62e9\u5668\uff0c\u6839\u636e\u5143\u7d20\u5728\u7236\u5143\u7d20\u5185\u7684\u5b50\u5143\u7d20\u5217\u8868\u4e2d\u7684<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u7d22\u5f15<\/span><\/strong><\/span><span class=\"md-plain\">\u6765\u5339\u914d\u9009\u62e9\u5143\u7d20\u3002<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>odd<\/code><\/span><span class=\"md-plain\"> \u8868\u793a\u5143\u7d20\u5728\u5144\u5f1f\u5143\u7d20\u5217\u8868\u4e2d\u7684\u4f4d\u7f6e\u662f<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5947\u6570<\/span><\/strong><\/span><span class=\"md-plain\">\uff1a1\u30013\u30015\u2026\u2026\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>:nth-child(even)<\/code><\/span><span class=\"md-plain\">\uff0c\u7ed3\u6784\u6027\u4f2a\u7c7b\u9009\u62e9\u5668\uff0c\u6839\u636e\u5143\u7d20\u5728\u7236\u5143\u7d20\u5185\u7684\u5b50\u5143\u7d20\u5217\u8868\u4e2d\u7684<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u7d22\u5f15<\/span><\/strong><\/span><span class=\"md-plain\">\u6765\u5339\u914d\u9009\u62e9\u5143\u7d20\u3002<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>even<\/code><\/span><span class=\"md-plain\"> \u8868\u793a\u5143\u7d20\u5728\u5144\u5f1f\u5143\u7d20\u5217\u8868\u4e2d\u7684\u4f4d\u7f6e\u662f<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5076\u6570<\/span><\/strong><\/span><span class=\"md-plain\">\uff1a2\u30014\u30016\u2026\u2026\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>:only-child<\/code><\/span><span class=\"md-plain\">\uff0c\u7ed3\u6784\u6027\u4f2a\u7c7b\u9009\u62e9\u5668\uff0c\u5339\u914d<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u4ec5\u6709<\/span><\/strong><\/span><span class=\"md-plain\">\u4e00\u4e2a\u5b50\u5143\u7d20\u7684\u5143\u7d20\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>:first-of-type<\/code><\/span><span class=\"md-plain\">\uff0c\u7ed3\u6784\u6027\u4f2a\u7c7b\u9009\u62e9\u5668\uff0c\u5339\u914d\u5728\u4e00\u7ec4\u5144\u5f1f\u5143\u7d20\u4e2d\u5176<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u7c7b\u578b<\/span><\/strong><\/span><span class=\"md-plain\">\u7684<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u7b2c\u4e00\u4e2a<\/span><\/strong><\/span><span class=\"md-plain\">\u5143\u7d20\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>:last-of-type<\/code><\/span><span class=\"md-plain\">\uff0c\u7ed3\u6784\u6027\u4f2a\u7c7b\u9009\u62e9\u5668\uff0c\u5339\u914d\u5728\uff08\u5b83\u7236\u5143\u7d20\u7684\uff09\u5b50\u5143\u7d20\u5217\u8868\u4e2d\uff0c<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u6700\u540e\u4e00\u4e2a<\/span><\/strong><\/span><span class=\"md-plain\">\u7ed9\u5b9a<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u7c7b\u578b<\/span><\/strong><\/span><span class=\"md-plain\">\u7684\u5143\u7d20\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>:only-of-type<\/code><\/span><span class=\"md-plain\">\uff0c\u7ed3\u6784\u6027\u4f2a\u7c7b\u9009\u62e9\u5668\uff0c\u5339\u914d\u4efb\u610f\u4e00\u4e2a\u5143\u7d20\uff0c\u8fd9\u4e2a\u5143\u7d20<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u6ca1\u6709<\/span><\/strong><\/span><span class=\"md-plain\">\u5176\u4ed6<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u76f8\u540c\u7c7b\u578b<\/span><\/strong><\/span><span class=\"md-plain\">\u7684\u5144\u5f1f\u5143\u7d20\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>:nth-of-type(n)<\/code><\/span><span class=\"md-plain\">\uff0c\u7ed3\u6784\u6027\u4f2a\u7c7b\u9009\u62e9\u5668\uff0c\u5339\u914d\u76f8\u540c\u7c7b\u578b\u5143\u7d20\u7684<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u7b2c n \u4e2a<\/span><\/strong><\/span><span class=\"md-plain\">\u5143\u7d20\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>:nth-last-of-type(n)<\/code><\/span><span class=\"md-plain\">\uff0c\u7ed3\u6784\u6027\u4f2a\u7c7b\u9009\u62e9\u5668\uff0c\u5339\u914d\u76f8\u540c\u7c7b\u578b\u5143\u7d20\u7684<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5012\u6570\u7b2c n \u4e2a<\/span><\/strong><\/span><span class=\"md-plain\">\u5143\u7d20\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>:checked<\/code><\/span><span class=\"md-plain\">\uff0cUI\u5143\u7d20\u72b6\u6001\u4f2a\u7c7b\u9009\u62e9\u5668\uff0c\u5339\u914d<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u9009\u4e2d<\/span><\/strong><\/span><span class=\"md-plain\">\u72b6\u6001\u7684\u5143\u7d20\uff0c\u9009\u62e9\u4efb\u4f55\u5904\u4e8e\u9009\u4e2d\u72b6\u6001\u7684<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">radio<\/span><\/strong><\/span><span class=\"md-plain\">(<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>&lt;input type=\"radio\"&gt;<\/code><\/span><span class=\"md-plain\">)\uff0c<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">checkbox<\/span><\/strong><\/span><span class=\"md-plain\"> (<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>&lt;input type=\"checkbox\"&gt;<\/code><\/span><span class=\"md-plain\">) \u6216 <\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">select<\/span><\/strong><\/span><span class=\"md-plain\"> \u5143\u7d20\u4e2d\u7684 (<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>\"option\"<\/code><\/span><span class=\"md-plain\">) \u5143\u7d20\u3002\u5373\u5339\u914d\u4efb\u610f\u88ab\u52fe\u9009\/\u9009\u4e2d\u7684 radio(\u5355\u9009\u6309\u94ae),checkbox(\u590d\u9009\u6846),\u6216\u8005 option(select \u4e2d\u7684\u4e00\u9879) \u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>:enabled<\/code><\/span><span class=\"md-plain\">\uff0cUI\u5143\u7d20\u72b6\u6001\u4f2a\u7c7b\u9009\u62e9\u5668\uff0c\u5339\u914d\u4efb\u4f55<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5df2\u542f\u7528<\/span><\/strong><\/span><span class=\"md-plain\">\u7684\u5143\u7d20\u3002\u5982\u679c\u5143\u7d20\u53ef\u4ee5<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u88ab\u6fc0\u6d3b<\/span><\/strong><\/span><span class=\"md-plain\">\uff08\u4f8b\u5982\u88ab\u9009\u62e9\u3001\u5355\u51fb\u3001\u8f93\u5165\u6587\u672c\u7b49\uff09\uff0c\u6216\u8005\u80fd\u591f\u83b7\u5f97<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u7126\u70b9<\/span><\/strong><\/span><span class=\"md-plain\">\uff0c\u90a3\u4e48\u5b83\u5c31\u662f\u542f\u7528\u7684\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>:disabled<\/code><\/span><span class=\"md-plain\">\uff0cUI\u5143\u7d20\u72b6\u6001\u4f2a\u7c7b\u9009\u62e9\u5668\uff0c\u5339\u914d\u4efb\u4f55\u88ab<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u7981\u7528<\/span><\/strong><\/span><span class=\"md-plain\">\u7684\u5143\u7d20\u3002\u5982\u679c\u4e00\u4e2a\u5143\u7d20\u4e0d\u80fd\u88ab\u6fc0\u6d3b\uff08\u5982\u9009\u62e9\u3001\u70b9\u51fb\u6216\u63a5\u53d7\u6587\u672c\u8f93\u5165\uff09\u6216\u83b7\u53d6\u7126\u70b9\uff0c\u5219\u8be5\u5143\u7d20\u5904\u4e8e\u88ab\u7981\u7528\u72b6\u6001\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>:in-range<\/code><\/span><span class=\"md-plain\">\uff0cUI\u5143\u7d20\u72b6\u6001\u4f2a\u7c7b\u9009\u62e9\u5668\uff0c\u5339\u914d\u6307\u5b9a<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u8303\u56f4\u4ee5\u5185<\/span><\/strong><\/span><span class=\"md-plain\">\u503c\u7684\u5143\u7d20\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>:out-of-range<\/code><\/span><span class=\"md-plain\">\uff0cUI\u5143\u7d20\u72b6\u6001\u4f2a\u7c7b\u9009\u62e9\u5668\uff0c\u5339\u914d\u6307\u5b9a<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u8303\u56f4\u4ee5\u5916<\/span><\/strong><\/span><span class=\"md-plain\">\u503c\u7684\u5143\u7d20\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>:optional<\/code><\/span><span class=\"md-plain\">\uff0cUI\u5143\u7d20\u72b6\u6001\u4f2a\u7c7b\u9009\u62e9\u5668\uff0c\u5339\u914d<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u6ca1\u6709 &#8220;required&#8221; \u5c5e\u6027<\/span><\/strong><\/span><span class=\"md-plain\">\u7684\u5143\u7d20\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>:required<\/code><\/span><span class=\"md-plain\">\uff0cUI\u5143\u7d20\u72b6\u6001\u4f2a\u7c7b\u9009\u62e9\u5668\uff0c\u5339\u914d<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u6709 &#8220;required&#8221; \u5c5e\u6027<\/span><\/strong><\/span><span class=\"md-plain\">\u7684\u5143\u7d20\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>:invalid<\/code><\/span><span class=\"md-plain\">\uff0cUI\u5143\u7d20\u72b6\u6001\u4f2a\u7c7b\u9009\u62e9\u5668\uff0c\u5339\u914d<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u65e0\u6548<\/span><\/strong><\/span><span class=\"md-plain\">\u7684\u5143\u7d20\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>:read-only<\/code><\/span><span class=\"md-plain\">\uff0cUI\u5143\u7d20\u72b6\u6001\u4f2a\u7c7b\u9009\u62e9\u5668\uff0c\u5339\u914d<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u53ea\u8bfb<\/span><\/strong><\/span><span class=\"md-plain\">\u72b6\u6001\u7684\u5143\u7d20\uff0c\u8868\u793a\u5143\u7d20\u4e0d\u53ef\u88ab\u7528\u6237\u7f16\u8f91\u7684\u72b6\u6001\uff08\u5982\u9501\u5b9a\u7684\u6587\u672c\u8f93\u5165\u6846\uff09\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>:read-write<\/code><\/span><span class=\"md-plain\">\uff0cUI\u5143\u7d20\u72b6\u6001\u4f2a\u7c7b\u9009\u62e9\u5668\uff0c\u5339\u914d<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u53ef\u8bfb\u53ef\u5199<\/span><\/strong><\/span><span class=\"md-plain\">\u72b6\u6001\u7684\u5143\u7d20\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>:focus<\/code><\/span><span class=\"md-plain\">\uff0cUI\u5143\u7d20\u72b6\u6001\u4f2a\u7c7b\u9009\u62e9\u5668\uff0c\u5339\u914d\u83b7\u5f97<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u7126\u70b9<\/span><\/strong><\/span><span class=\"md-plain\">\u7684\u5143\u7d20\uff08\u5982\u8868\u5355\u8f93\u5165\uff09\u3002\u5f53\u7528\u6237\u70b9\u51fb\u6216\u8f7b\u89e6\u4e00\u4e2a\u5143\u7d20\u6216\u4f7f\u7528\u952e\u76d8\u7684 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>Tab<\/code><\/span><span class=\"md-plain\"> \u952e\u9009\u62e9\u5b83\u65f6\uff0c\u5b83\u4f1a\u88ab\u89e6\u53d1\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>:link<\/code><\/span><span class=\"md-plain\">\uff0cUI\u5143\u7d20\u72b6\u6001\u4f2a\u7c7b\u9009\u62e9\u5668\uff0c\u6240\u6709\u672a\u8bbf\u95ee\u94fe\u63a5\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>:visited<\/code><\/span><span class=\"md-plain\">\uff0cUI\u5143\u7d20\u72b6\u6001\u4f2a\u7c7b\u9009\u62e9\u5668\uff0c\u5339\u914d\u5728\u7528\u6237\u8bbf\u95ee\u94fe\u63a5\u540e\u751f\u6548\u3002\u4f46\u7531\u4e8e\u51fa\u4e8e\u9690\u79c1\u4fdd\u62a4\u7684\u539f\u56e0\uff0c\u4f7f\u7528\u8be5\u9009\u62e9\u5668\u53ef\u4ee5\u4fee\u6539\u7684\u6837\u5f0f\u975e\u5e38\u6709\u9650\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>:hover<\/code><\/span><span class=\"md-plain\">\uff0cUI\u5143\u7d20\u72b6\u6001\u4f2a\u7c7b\u9009\u62e9\u5668\uff0c\u5339\u914d\u5728\u7528\u6237\u4f7f\u7528\u6307\u9488\u8bbe\u5907\u4e0e\u5143\u7d20\u8fdb\u884c\u4ea4\u4e92\u65f6\u5339\u914d\uff0c\u4f46\u4e0d\u4e00\u5b9a\u6fc0\u6d3b\u5b83\u3002\u901a\u5e38\u5728\u7528\u6237\u5c06\u5149\u6807\uff08\u9f20\u6807\u6307\u9488\uff09\u60ac\u505c\u5728\u5143\u7d20\u4e0a\u65f6\u89e6\u53d1\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>:active<\/code><\/span><span class=\"md-plain\">\uff0cUI\u5143\u7d20\u72b6\u6001\u4f2a\u7c7b\u9009\u62e9\u5668\uff0c\u5339\u914d\u88ab\u7528\u6237\u6fc0\u6d3b\u7684\u5143\u7d20\u3002\u5b83\u8ba9\u9875\u9762\u80fd\u5728\u6d4f\u89c8\u5668\u76d1\u6d4b\u5230\u6fc0\u6d3b\u65f6\u7ed9\u51fa\u53cd\u9988\u3002\u5f53\u7528\u9f20\u6807\u4ea4\u4e92\u65f6\uff0c\u5b83\u4ee3\u8868\u7684\u662f\u7528\u6237\u6309\u4e0b\u6309\u952e\u548c\u677e\u5f00\u6309\u952e\u4e4b\u95f4\u7684\u65f6\u95f4\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>:empty<\/code><\/span><span class=\"md-plain\">\uff0cUI\u5143\u7d20\u72b6\u6001\u4f2a\u7c7b\u9009\u62e9\u5668\uff0c\u5339\u914d\u6ca1\u6709\u5b50\u5143\u7d20\u7684\u5143\u7d20\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5426\u5b9a\u53cd\u9009\u4f2a\u7c7b\u9009\u62e9\u5668<\/span><\/strong><\/span><span class=\"md-plain\">\uff08negation pseudo-class\uff09<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u7528\u6765\u5339\u914d\u4e0d\u7b26\u5408\u4e00\u7ec4\u9009\u62e9\u5668\u7684\u5143\u7d20\uff0c\u5b83\u7684\u4f5c\u7528\u662f\u9632\u6b62<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u7279\u5b9a<\/span><\/strong><\/span><span class=\"md-plain\">\u7684\u5143\u7d20\u88ab\u9009\u4e2d\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u4f8b\u5982\uff1a<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>:not(selectors)<\/code><\/span><span class=\"md-plain\">\uff0c\u5339\u914d\u4e0e<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>selectors<\/code><\/span><span class=\"md-plain\">\u9009\u62e9\u5668\u76f8\u53cd\u7684\u6240\u6709\u5143\u7d20\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5143\u7d20\u9009\u62e9\u5668<\/span><\/strong><\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u76f4\u63a5\u4f7f\u7528 HTML \u5143\u7d20\u7684\u540d\u79f0\u4f5c\u4e3a\u9009\u62e9\u5668\uff0c\u5982 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>p<\/code><\/span><span class=\"md-plain\"> \u4f1a\u9009\u4e2d\u9875\u9762\u4e0a\u6240\u6709\u7684 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>&lt;p&gt;<\/code><\/span><span class=\"md-plain\"> \u5143\u7d20\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u4f8b\u5982\uff1a<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>p { color: blue; }<\/code><\/span><span class=\"md-plain\">\uff0c\u5339\u914d\u6240\u6709<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>p<\/code><\/span><span class=\"md-plain\">\u5143\u7d20\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u4f2a\u5143\u7d20\u9009\u62e9\u5668<\/span><\/strong><\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>::first-letter<\/code><\/span><span class=\"md-plain\">\uff0c\u7528\u4e8e\u5c06\u6837\u5f0f\u5e94\u7528\u4e8e<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u533a\u5757\u5bb9\u5668<\/span><\/strong><\/span><span class=\"md-plain\">\u7b2c\u4e00\u884c\u7684<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u7b2c\u4e00\u4e2a\u5b57\u6bcd<\/span><\/strong><\/span><span class=\"md-plain\">\uff0c\u4f46\u4ec5\u5f53\u5176\u524d\u9762\u6ca1\u6709\u5176\u4ed6\u5185\u5bb9\uff08\u4f8b\u5982\u56fe\u50cf\u6216\u884c\u5185\u8868\u683c\uff09\u65f6\u624d\u6709\u6548\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>::first-line<\/code><\/span><span class=\"md-plain\">\uff0c\u53ea\u80fd\u5728\u5757\u5bb9\u5668\u4e2d\uff0c\u5339\u914d\u5728<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u533a\u5757\u5bb9\u5668<\/span><\/strong><\/span><span class=\"md-plain\">\u7684<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u7b2c\u4e00\u884c<\/span><\/strong><\/span><span class=\"md-plain\">\u5e94\u7528\u6837\u5f0f\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>::before<\/code><\/span><span class=\"md-plain\">\uff0c\u4f1a\u521b\u5efa\u4e00\u4e2a<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u4f2a\u5143\u7d20<\/span><\/strong><\/span><span class=\"md-plain\">\uff0c\u4f5c\u4e3a\u6240\u9009\u4e2d\u5143\u7d20\u7684\u7b2c\u4e00\u4e2a\u5b50\u5143\u7d20\u3002\u901a\u5e38\u7528\u4e8e\u4e3a\u5177\u6709 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>content<\/code><\/span><span class=\"md-plain\"> \u5c5e\u6027\u7684\u5143\u7d20\u6dfb\u52a0\u4fee\u9970\u6027\u7684\u5185\u5bb9\u3002\u6b64\u5143\u7d20\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u662f\u884c\u7ea7\u7684\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>::after<\/code><\/span><span class=\"md-plain\">\uff0c\u4f1a\u521b\u5efa\u4e00\u4e2a<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u4f2a\u5143\u7d20<\/span><\/strong><\/span><span class=\"md-plain\">\uff0c\u4f5c\u4e3a\u6240\u9009\u4e2d\u5143\u7d20\u7684\u6700\u540e\u4e00\u4e2a\u5b50\u5143\u7d20\u3002\u901a\u5e38\u7528\u4e8e\u4e3a\u5177\u6709 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>content<\/code><\/span><span class=\"md-plain\"> \u5c5e\u6027\u7684\u5143\u7d20\u6dfb\u52a0\u4fee\u9970\u6027\u7684\u5185\u5bb9\u3002\u6b64\u5143\u7d20\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u662f\u884c\u5411\u5e03\u5c40\u7684\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5173\u7cfb\u7ec4\u5408\u9009\u62e9\u5668<\/span><\/strong><\/span><span class=\"md-plain\">\uff08combinator\uff09<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u5305\u542b<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u7956\u5148\u540e\u4ee3<\/span><\/strong><\/span><span class=\"md-plain\">\u9009\u62e9\u5668\uff08<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>A B<\/code><\/span><span class=\"md-plain\">\uff09\u3001<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u7b2c\u4e00\u7ea7\u7236\u5b50\u5143\u7d20<\/span><\/strong><\/span><span class=\"md-plain\">\u9009\u62e9\u5668\uff08<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>A &gt; B<\/code><\/span><span class=\"md-plain\">\uff09\u3001<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u76f8\u90bb\u5144\u5f1f<\/span><\/strong><\/span><span class=\"md-plain\">\u9009\u62e9\u5668\uff08<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>A + B<\/code><\/span><span class=\"md-plain\">\uff09\u3001<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u540e\u7eed\u5144\u5f1f<\/span><\/strong><\/span><span class=\"md-plain\">\u9009\u62e9\u5668\uff08<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>A ~ B<\/code><\/span><span class=\"md-plain\">\uff09\u7b49\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u4f8b\u5982\uff1a<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>div p { color: blue; }<\/code><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u7956\u5148\u540e\u4ee3<\/span><\/strong><\/span><span class=\"md-plain\">\u9009\u62e9\u5668\uff0c\u5339\u914d\u6240\u6709 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>div<\/code><\/span><span class=\"md-plain\"> \u5143\u7d20\u5185\u7684\u6240\u6709 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>p<\/code><\/span><span class=\"md-plain\"> \u5143\u7d20\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>.class1&gt;p { color: blue; }<\/code><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u7b2c\u4e00\u7ea7\u7236\u5b50\u5143\u7d20<\/span><\/strong><\/span><span class=\"md-plain\">\u9009\u62e9\u5668\uff0c\u5339\u914d\u5177\u6709 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>class<\/code><\/span><span class=\"md-plain\"> \u7c7b\u5c5e\u6027\uff0c\u4e14\u7c7b\u5c5e\u6027\u7684\u503c\u4e3a <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>.class1<\/code><\/span><span class=\"md-plain\"> \u7684\u6240\u6709\u5143\u7d20\u4e0b\u7684<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u7b2c\u4e00\u7ea7<\/span><\/strong><\/span> <span class=\"md-pair-s\" spellcheck=\"false\"><code>p<\/code><\/span> <span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5b50\u5143\u7d20<\/span><\/strong><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>h1+p { color: blue; }<\/code><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u76f8\u90bb\u5144\u5f1f<\/span><\/strong><\/span><span class=\"md-plain\">\u9009\u62e9\u5668\uff0c\u5339\u914d\u6240\u6709 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>h1<\/code><\/span><span class=\"md-plain\"> \u5143\u7d20\u540e\u9762\u7d27\u63a5\u76f8\u90bb\u7740\u7684\u7b2c\u4e00\u4e2a <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>p<\/code><\/span><span class=\"md-plain\"> \u5143\u7d20\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>h2~p { color: blue; }<\/code><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u540e\u7eed\u5144\u5f1f<\/span><\/strong><\/span><span class=\"md-plain\">\u9009\u62e9\u5668\uff0c\u5339\u914d\u6240\u6709 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>h2<\/code><\/span><span class=\"md-plain\"> \u5143\u7d20\u540e\u9762\u6240\u6709\u7684 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>p<\/code><\/span><span class=\"md-plain\"> \u5143\u7d20\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u901a\u914d\u9009\u62e9\u5668<\/span><\/strong><\/span><span class=\"md-plain\">\uff08universal selector\uff09<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u901a\u914d\u7b26\u9009\u62e9\u5668\uff08<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>*<\/code><\/span><span class=\"md-plain\">\uff09\uff0c\u7528\u4e8e\u5339\u914d\u5f53\u524d HTML \u6587\u6863\u4e2d\u6240\u6709\u7684\u5143\u7d20\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u4f8b\u5982\uff1a<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>* { color: red; }<\/code><\/span><span class=\"md-plain\">\uff0c\u5339\u914d\u5f53\u524d HTML \u6587\u6863\u4e2d\u6240\u6709\u7684\u5143\u7d20\uff0c\u5e76\u8bbe\u7f6e\u989c\u8272\u4e3a\u7ea2\u8272\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u96c6\u5408\u5206\u7ec4\u9009\u62e9\u5668<\/span><\/strong><\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u4e0a\u8ff0\u6240\u6709\u9009\u62e9\u5668\u5747\u53ef\u96c6\u5408\u6210\u540c\u4e00\u5206\u7ec4\u9009\u62e9\u5668\uff0c\u901a\u8fc7\uff08\u9017\u53f7 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>,<\/code><\/span><span class=\"md-plain\">\uff09\u5206\u9694\u4e0d\u540c\u7684\u9009\u62e9\u5668\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u4f8b\u5982\uff1a<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>div p, .class1&gt;p, h1+p, h2~p { color: red; }<\/code><\/span><span class=\"md-plain\">\uff0c\u96c6\u5408\u5339\u914d\u6240\u6709 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>div<\/code><\/span><span class=\"md-plain\"> \u5143\u7d20\u5185\u7684\u6240\u6709 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>p<\/code><\/span><span class=\"md-plain\"> \u5143\u7d20\uff0c\u96c6\u5408\u5339\u914d\u5177\u6709 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>class<\/code><\/span><span class=\"md-plain\"> \u7c7b\u5c5e\u6027\uff0c\u4e14\u7c7b\u5c5e\u6027\u7684\u503c\u4e3a <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>.class1<\/code><\/span><span class=\"md-plain\"> \u7684\u6240\u6709\u5143\u7d20\u4e0b\u7684<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u7b2c\u4e00\u7ea7<\/span><\/strong><\/span> <span class=\"md-pair-s\" spellcheck=\"false\"><code>p<\/code><\/span> <span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5b50\u5143\u7d20<\/span><\/strong><\/span><span class=\"md-plain\">\uff0c\u96c6\u5408\u5339\u914d\u6240\u6709 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>h1<\/code><\/span><span class=\"md-plain\"> \u5143\u7d20\u540e\u9762\u7d27\u63a5\u76f8\u90bb\u7740\u7684\u7b2c\u4e00\u4e2a <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>p<\/code><\/span><span class=\"md-plain\"> \u5143\u7d20\uff0c\u96c6\u5408\u5339\u914d\u6240\u6709 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>h2<\/code><\/span><span class=\"md-plain\"> \u5143\u7d20\u540e\u9762\u6240\u6709\u7684 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>p<\/code><\/span><span class=\"md-plain\"> \u5143\u7d20\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3 class=\"md-end-block md-heading\"><span class=\"md-plain\">3.3 CSS \u6837\u5f0f\u58f0\u660e\u5757<\/span><\/h3>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\"> \u5305\u542b\u4e00\u4e2a\u6216\u591a\u4e2a\u58f0\u660e\uff0c\u7528\u82b1\u62ec\u53f7 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>{ }<\/code><\/span><span class=\"md-plain\"> \u5305\u88f9\u3002\u6bcf\u4e2a\u58f0\u660e\u7531<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5c5e\u6027\u548c\u503c<\/span><\/strong><\/span><span class=\"md-plain\">\u7ec4\u6210\uff0c\u4e0d\u540c\u58f0\u660e\u7528\u5206\u53f7<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>;<\/code><\/span><span class=\"md-plain\">\u5206\u9694\u3002<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u6837\u5f0f\u5c5e\u6027\u4e0e\u5c5e\u6027\u503c<\/span><\/strong><\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u6837\u5f0f\u5c5e\u6027<\/span><\/strong><\/span><span class=\"md-plain\">\uff08\u5982<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>color<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>margin<\/code><\/span><span class=\"md-plain\">\uff09\uff0c\u7528\u4e8e\u5b9a\u4e49\u6837\u5f0f\u7279\u6027\u3002\u5982 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>background-color<\/code><\/span><span class=\"md-plain\"> \u7528\u4e8e\u8bbe\u7f6e\u5143\u7d20\u7684\u80cc\u666f\u989c\u8272\uff0c<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>font-size<\/code><\/span><span class=\"md-plain\"> \u7528\u4e8e\u8bbe\u7f6e\u5b57\u4f53\u5927\u5c0f\u7b49\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5c5e\u6027\u503c<\/span><\/strong><\/span><span class=\"md-plain\">\uff08\u5982<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>red<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>20px<\/code><\/span><span class=\"md-plain\">\uff09\uff0c\u4e3a\u6837\u5f0f\u5c5e\u6027\u6307\u5b9a\u5177\u4f53\u6548\u679c\u7684\u503c\u3002\u5982 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>background-color: #ff0000;<\/code><\/span><span class=\"md-plain\"> \u8868\u793a\u5c06\u80cc\u666f\u989c\u8272\u8bbe\u7f6e\u4e3a\u7ea2\u8272\uff0c<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>font-size: 16px;<\/code><\/span><span class=\"md-plain\"> \u8868\u793a\u5c06\u5b57\u4f53\u5927\u5c0f\u8bbe\u7f6e\u4e3a 16 \u50cf\u7d20\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u58f0\u660e\u7f29\u5199\u4f18\u5316<\/span><\/strong><\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>margin: 10px 20px;<\/code><\/span><span class=\"md-plain\">\uff08\u4e0a\u4e0b10px\uff0c\u5de6\u53f320px\uff09\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3 class=\"md-end-block md-heading\"><span class=\"md-plain\">3.4 CSS \u7684 at \u89c4\u5219<\/span><\/h3>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\"> \u4ee5 @\uff08\uff09\u5f00\u59cb\uff0c\u968f\u540e\u662f\u6807\u8bc6\u7b26\uff0c\u4e00\u76f4\u5230\u4ee5\u5206\u53f7\u6216\u53f3\u5927\u62ec\u53f7\u7ed3\u675f\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\"> \u6bcf\u4e2a at \u89c4\u5219\u7531\u5176\u6807\u8bc6\u7b26\u5b9a\u4e49\uff0c\u53ef\u80fd\u6709\u5b83\u81ea\u5df1\u7684\u8bed\u6cd5\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\"> at \u89c4\u5219\u6db5\u76d6\u4e86 meta \u4fe1\u606f\uff08\u6bd4\u5982 @charset @import\uff09\u3001\u6761\u4ef6\u4fe1\u606f\uff08\u6bd4\u5982 @media @document\uff09\u3001\u63cf\u8ff0\u4fe1\u606f\uff08\u6bd4\u5982 @font-face\uff09\u3002<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>@charset<\/code><\/span><span class=\"md-plain\">\u2014\u2014\u5b9a\u4e49\u6837\u5f0f\u8868\u4f7f\u7528\u7684\u5b57\u7b26\u96c6\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>@import<\/code><\/span><span class=\"md-plain\">\u2014\u2014\u544a\u8bc9 CSS \u5f15\u64ce\u5f15\u5165\u4e00\u4e2a\u5916\u90e8\u6837\u5f0f\u8868\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>@namespace<\/code><\/span><span class=\"md-plain\">\u2014\u2014\u544a\u8bc9 CSS \u5f15\u64ce\u5fc5\u987b\u8003\u8651 XML \u547d\u540d\u7a7a\u95f4\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>@layer<\/code><\/span><span class=\"md-plain\"> \u2014\u2014\u58f0\u660e\u4e86\u4e00\u4e2a<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5c42\u53e0\u5c42<\/span><\/strong><\/span><span class=\"md-plain\">\uff0c\u540c\u4e00\u5c42\u5185\u7684\u89c4\u5219\u5c06\u7ea7\u8054\u5728\u4e00\u8d77\uff0c\u8fd9\u7ed9\u4e88\u4e86\u5f00\u53d1\u8005\u5bf9\u5c42\u53e0\u673a\u5236\u7684\u66f4\u591a\u63a7\u5236\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<h3 class=\"md-end-block md-heading\"><span class=\"md-plain\">3.5 CSS \u7684\u8bed\u6cd5\u793a\u4f8b<\/span><\/h3>\n<pre class=\"md-fences md-end-block ty-contain-cm modeLoaded\" lang=\"css\" spellcheck=\"false\"><span role=\"presentation\"><span class=\"cm-tag\">body<\/span> {<\/span>\r\n<span role=\"presentation\"> \u00a0<span class=\"cm-property\">background<\/span>: <span class=\"cm-atom\">#f0f0f0<\/span>; <span class=\"cm-comment\">\/* \u6d45\u7070\u8272\u80cc\u666f *\/<\/span><\/span>\r\n<span role=\"presentation\"> \u00a0<span class=\"cm-property\">font-family<\/span>: <span class=\"cm-string\">\"Microsoft YaHei\"<\/span>; <span class=\"cm-comment\">\/* \u5b57\u4f53 *\/<\/span><\/span>\r\n<span role=\"presentation\">}<\/span>\r\n<span role=\"presentation\">\u200b<\/span>\r\n<span role=\"presentation\"><span class=\"cm-tag\">h1<\/span> {<\/span>\r\n<span role=\"presentation\"> \u00a0<span class=\"cm-property\">color<\/span>: <span class=\"cm-atom\">#0A0000<\/span>; \u00a0 \u00a0 \u00a0<span class=\"cm-comment\">\/* \u6df1\u7ea2\u8272\u6807\u9898\uff08RGB 10,0,0\uff09 *\/<\/span><\/span>\r\n<span role=\"presentation\">}<\/span>\r\n<span role=\"presentation\">\u200b<\/span>\r\n<span role=\"presentation\"><span class=\"cm-comment\">\/* \u9009\u62e9\u6240\u6709 &lt;p&gt; \u6807\u7b7e\uff0c\u58f0\u660e\u8bbe\u7f6e\u5b57\u4f53\u989c\u8272\u548c\u80cc\u666f *\/<\/span><\/span>\r\n<span role=\"presentation\"><span class=\"cm-tag\">p<\/span> {<\/span>\r\n<span role=\"presentation\"> \u00a0<span class=\"cm-property\">color<\/span>: <span class=\"cm-keyword\">blue<\/span>;<\/span>\r\n<span role=\"presentation\"> \u00a0<span class=\"cm-property\">background-color<\/span>: <span class=\"cm-atom\">#f0f0f0<\/span>;<\/span>\r\n<span role=\"presentation\">}<\/span>\r\n<span role=\"presentation\">\u200b<\/span>\r\n<span role=\"presentation\"><span class=\"cm-comment\">\/* \u9009\u62e9 class \u4e3a \"highlight\" \u7684\u5143\u7d20,\u58f0\u660e *\/<\/span><\/span>\r\n<span role=\"presentation\"><span class=\"cm-qualifier\">.highlight<\/span> {<\/span>\r\n<span role=\"presentation\"> \u00a0<span class=\"cm-property\">font-weight<\/span>: <span class=\"cm-atom\">bold<\/span>;<\/span>\r\n<span role=\"presentation\"> \u00a0<span class=\"cm-property\">border<\/span>: <span class=\"cm-number\">1px<\/span> <span class=\"cm-atom\">solid<\/span> <span class=\"cm-keyword\">red<\/span>;<\/span>\r\n<span role=\"presentation\">}<\/span>\r\n<span role=\"presentation\">\u200b<\/span>\r\n<span role=\"presentation\"><span class=\"cm-comment\">\/* \u9009\u62e9 id \u4e3a \"header\" \u7684\u5143\u7d20 *\/<\/span><\/span>\r\n<span role=\"presentation\"><span class=\"cm-builtin\">#header<\/span> {<\/span>\r\n<span role=\"presentation\"> \u00a0<span class=\"cm-property\">text-align<\/span>: <span class=\"cm-atom\">center<\/span>;<\/span>\r\n<span role=\"presentation\"> \u00a0<span class=\"cm-property\">padding<\/span>: <span class=\"cm-number\">20px<\/span>;<\/span>\r\n<span role=\"presentation\">}<\/span><\/pre>\n<div class=\"md-hr md-end-block\" tabindex=\"-1\">\n<hr \/>\n<\/div>\n<h2 class=\"md-end-block md-heading\"><span class=\"md-plain\">4 \u6838\u5fc3\u7ec4\u6210<\/span><\/h2>\n<h3 class=\"md-end-block md-heading\"><span class=\"md-plain\">4.1 \u76d2\u6a21\u578b\uff08Box Model\uff09<\/span><\/h3>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\"> \u5b9a\u4e49\u5143\u7d20\u7684\u7a7a\u95f4\u5360\u7528\u89c4\u5219\uff0c\u6bcf\u4e2a\u5143\u7d20\u5728\u9875\u9762\u4e2d\u90fd\u88ab\u89c6\u4e3a\u4e00\u4e2a\u77e9\u5f62\u76d2\u5b50\uff0c\u7531<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5185\u5bb9\u533a<\/span><\/strong><\/span><span class=\"md-plain\">\uff08content\uff09\u3001<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5185\u8fb9\u8ddd<\/span><\/strong><\/span><span class=\"md-plain\">\uff08padding\uff09\u3001<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u8fb9\u6846<\/span><\/strong><\/span><span class=\"md-plain\"> \uff08border\uff09\u548c <\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5916\u8fb9\u8ddd<\/span><\/strong><\/span><span class=\"md-plain\">\uff08margin\uff09\u7ec4\u6210\uff09\uff0c\u662f\u5e03\u5c40\u7684\u57fa\u7840\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\"> \u4ece\u5185\u90e8\u5230\u5916\u56f4\uff0c\u5206\u522b\u4e3a\uff1a<\/span><\/p>\n<ol class=\"ol-list\" start=\"\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>content<\/code><\/span><span class=\"md-plain\">\uff08\u5185\u5bb9\uff09\uff1a\u76d2\u5b50\u7684\u5185\u5bb9\uff0c\u663e\u793a\u6587\u672c\u548c\u56fe\u50cf\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>padding<\/code><\/span><span class=\"md-plain\">\uff08\u5185\u8fb9\u8ddd\uff09\uff1a\u6e05\u9664\u5185\u5bb9\u5468\u56f4\u7684\u533a\u57df\uff0c\u5185\u8fb9\u8ddd\u662f\u900f\u660e\u7684\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>border<\/code><\/span><span class=\"md-plain\">\uff08\u8fb9\u6846\uff09\uff1a\u56f4\u7ed5\u5728\u5185\u8fb9\u8ddd\u548c\u5185\u5bb9\u5916\u7684\u8fb9\u6846\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>margin<\/code><\/span><span class=\"md-plain\">\uff08\u5916\u8fb9\u8ddd\uff09\uff1a\u6e05\u9664\u8fb9\u6846\u5916\u7684\u533a\u57df\uff0c\u5916\u8fb9\u8ddd\u662f\u900f\u660e\u7684\u3002<\/span><\/p>\n<\/li>\n<\/ol>\n<pre class=\"md-fences md-end-block ty-contain-cm modeLoaded\" lang=\"css\" spellcheck=\"false\"><span role=\"presentation\"><span class=\"cm-qualifier\">.box<\/span> {<\/span>\r\n<span role=\"presentation\"> \u00a0<span class=\"cm-property\">width<\/span>: <span class=\"cm-number\">300px<\/span>; \u00a0 \u00a0 \u00a0 <span class=\"cm-comment\">\/* \u5185\u5bb9\u533a\u5bbd\u5ea6 *\/<\/span><\/span>\r\n<span role=\"presentation\"> \u00a0<span class=\"cm-property\">padding<\/span>: <span class=\"cm-number\">20px<\/span>; \u00a0 \u00a0 \u00a0<span class=\"cm-comment\">\/* \u5185\u8fb9\u8ddd *\/<\/span><\/span>\r\n<span role=\"presentation\"> \u00a0<span class=\"cm-property\">border<\/span>: <span class=\"cm-number\">1px<\/span> <span class=\"cm-atom\">solid<\/span> <span class=\"cm-keyword\">black<\/span>; <span class=\"cm-comment\">\/* \u8fb9\u6846 *\/<\/span><\/span>\r\n<span role=\"presentation\"> \u00a0<span class=\"cm-property\">margin<\/span>: <span class=\"cm-number\">10px<\/span>; \u00a0 \u00a0 \u00a0 <span class=\"cm-comment\">\/* \u5916\u8fb9\u8ddd *\/<\/span><\/span>\r\n<span role=\"presentation\"> \u00a0<span class=\"cm-property\">box-sizing<\/span>: <span class=\"cm-atom\">border-box<\/span>; <span class=\"cm-comment\">\/* \u5bbd\u5ea6\u5305\u542bpadding\u548cborder *\/<\/span><\/span>\r\n<span role=\"presentation\">}<\/span><\/pre>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\"> \u901a\u8fc7\u8bbe\u7f6e <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>box-sizing<\/code><\/span><span class=\"md-plain\"> \u5c5e\u6027\uff0c\u53ef\u5206\u4e3a\u4e24\u79cd<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u76d2\u6a21\u578b<\/span><\/strong><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>box-sizing: content-box;<\/code><\/span><span class=\"md-plain\">\uff0c\u8bbe\u7f6e\u4e3a<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u6807\u51c6\u6a21\u5f0f<\/span><\/strong><\/span><span class=\"md-plain\">\u7684\u76d2\u6a21\u578b\uff0c\u6b64\u79cd\u6a21\u5f0f\u4e0b\uff0c\u77e9\u5f62\u76d2\u5b50\u7684\u603b\u5bbd\u5ea6\u548c\u603b\u9ad8\u5ea6\uff0c\u4ec5\u6307<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5185\u5bb9\u533a<\/span><\/strong><\/span><span class=\"md-plain\">\u7684\u5bbd\u5ea6\u548c\u9ad8\u5ea6\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>box-sizing: border-box;<\/code><\/span><span class=\"md-plain\">\uff0c\u8bbe\u7f6e\u4e3a<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u602a\u5f02\u6a21\u5f0f<\/span><\/strong><\/span><span class=\"md-plain\">\u7684\u76d2\u6a21\u578b\uff0c\u6b64\u79cd\u6a21\u5f0f\u4e0b\uff0c\u77e9\u5f62\u76d2\u5b50\u7684\u603b\u5bbd\u5ea6\u548c\u603b\u9ad8\u5ea6\uff0c\u5305\u542b\u4e86\uff08<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5185\u5bb9\u533a<\/span><\/strong><\/span><span class=\"md-plain\">+<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5185\u8fb9\u8ddd<\/span><\/strong><\/span><span class=\"md-plain\">+<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u8fb9\u6846<\/span><\/strong><\/span><span class=\"md-plain\">\uff09\u7684\u5bbd\u5ea6\u548c\u9ad8\u5ea6\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<pre class=\"md-fences md-end-block ty-contain-cm modeLoaded\" lang=\"css\" spellcheck=\"false\"><span role=\"presentation\"><span class=\"cm-comment\">\/* \u9ed8\u8ba4\uff1awidth\/height \u4ec5\u6307\u5185\u5bb9\u533a\u57df *\/<\/span><\/span>\r\n<span role=\"presentation\"><span class=\"cm-tag\">box-sizing<\/span>: <span class=\"cm-variable-3\">content-box<\/span>;<\/span>\r\n<span role=\"presentation\">\u200b<\/span>\r\n<span role=\"presentation\"><span class=\"cm-comment\">\/* width\/height \u5305\u542b\u5185\u5bb9\u3001\u5185\u8fb9\u8ddd\u548c\u8fb9\u6846 *\/<\/span><\/span>\r\n<span role=\"presentation\"><span class=\"cm-tag\">box-sizing<\/span>: <span class=\"cm-variable-3\">border-box<\/span>;<\/span><\/pre>\n<h3 class=\"md-end-block md-heading\"><span class=\"md-plain\">4.2 \u5e03\u5c40\u7cfb\u7edf<\/span><\/h3>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u6d6e\u52a8<\/span><\/strong><\/span><span class=\"md-plain\">\uff08Float\uff09<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u4f20\u7edf\u5e03\u5c40\uff0c\u901a\u8fc7 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>float<\/code><\/span><span class=\"md-plain\"> \u5b9e\u73b0\u5143\u7d20\u5de6\u53f3\u5bf9\u9f50\uff0c\u5b9e\u73b0\u6587\u5b57\u73af\u7ed5\u6548\u679c\uff0c\u5e38\u7528\u4e8e\u65e9\u671f\u7684\u591a\u5217\u5e03\u5c40\u3002\u53ef\u5206\u4e3a<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u8bbe\u7f6e\u6d6e\u52a8<\/span><\/strong><\/span><span class=\"md-plain\">\uff08float\uff09\u3001<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u6e05\u9664\u6d6e\u52a8<\/span><\/strong><\/span><span class=\"md-plain\">\uff08clear\uff09\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<pre class=\"md-fences md-end-block ty-contain-cm modeLoaded\" lang=\"css\" spellcheck=\"false\"><span role=\"presentation\"><span class=\"cm-qualifier\">.float-left<\/span> { <\/span>\r\n<span role=\"presentation\"> \u00a0 \u00a0<span class=\"cm-property\">float<\/span>: <span class=\"cm-atom\">left<\/span>; <span class=\"cm-comment\">\/* \u6d6e\u52a8\uff08Float\uff09 *\/<\/span><\/span>\r\n<span role=\"presentation\">}<\/span>\r\n<span role=\"presentation\"><span class=\"cm-qualifier\">.clearfix<\/span>::<span class=\"cm-variable-3\">after<\/span> {<\/span>\r\n<span role=\"presentation\"> \u00a0 \u00a0<span class=\"cm-property\">content<\/span>: <span class=\"cm-string\">\" \"<\/span>;<\/span>\r\n<span role=\"presentation\"> \u00a0 \u00a0<span class=\"cm-property\">display<\/span>: <span class=\"cm-atom\">table<\/span>;<\/span>\r\n<span role=\"presentation\"> \u00a0 \u00a0<span class=\"cm-property\">clear<\/span>: <span class=\"cm-atom\">both<\/span>; <span class=\"cm-comment\">\/* \u6e05\u9664\u6d6e\u52a8 *\/<\/span><\/span>\r\n<span role=\"presentation\">}<\/span><\/pre>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5b9a\u4f4d<\/span><\/strong><\/span><span class=\"md-plain\">\uff08Positioning\uff09<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u4f20\u7edf\u5e03\u5c40\uff0c\u901a\u8fc7 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>position: static\/relative\/absolute\/fixed\/sticky;<\/code><\/span><span class=\"md-plain\"> \u63a7\u5236\u5143\u7d20\u7684\u7edd\u5bf9\u6216\u76f8\u5bf9\u4f4d\u7f6e\u3002\u53ef\u5206\u4e3a<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u9ed8\u8ba4\u72b6\u6001<\/span><\/strong><\/span><span class=\"md-plain\">\uff08static\uff09\u3001<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u76f8\u5bf9\u5b9a\u4f4d<\/span><\/strong><\/span><span class=\"md-plain\">\uff08relative\uff09\u3001<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u7edd\u5bf9\u5b9a\u4f4d<\/span><\/strong><\/span><span class=\"md-plain\">\uff08absolute\uff09\u3001<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u56fa\u5b9a\u5b9a\u4f4d<\/span><\/strong><\/span><span class=\"md-plain\">\uff08fixed\uff09\u3001<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u7c98\u6027\u5b9a\u4f4d<\/span><\/strong><\/span><span class=\"md-plain\">\uff08sticky\uff09\u3002<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u9ed8\u8ba4\u72b6\u6001<\/span><\/strong><\/span><span class=\"md-plain\">\uff08static\uff09\uff1aHTML \u5143\u7d20\u7684\u9ed8\u8ba4\u503c\uff0c\u5373\u6ca1\u6709\u5b9a\u4f4d\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">static<\/span><\/strong><\/span><span class=\"md-plain\"> \u5b9a\u4f4d\u7684\u5143\u7d20\u4e0d\u4f1a\u53d7\u5230 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>top\u3001bottom\u3001left\u3001right<\/code><\/span><span class=\"md-plain\"> \u8fd94\u4e2a\u5c5e\u6027\u5f71\u54cd\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u76f8\u5bf9\u5b9a\u4f4d<\/span><\/strong><\/span><span class=\"md-plain\">\uff08relative\uff09\uff1a<\/span><span class=\"md-pair-s \"><strong><span class=\"md-pair-s\" spellcheck=\"false\"><code>relative<\/code><\/span><\/strong><\/span><span class=\"md-plain\"> \u5b9a\u4f4d\u7684\u5143\u7d20\u4f4d\u7f6e\uff0c\u662f\u76f8\u5bf9\u5176\u6b63\u5e38\u4f4d\u7f6e\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u79fb\u52a8 <\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">relative<\/span><\/strong><\/span><span class=\"md-plain\"> \u5b9a\u4f4d\u7684\u5143\u7d20\uff0c\u5143\u7d20\u539f\u672c\u6240\u5360\u7684\u7a7a\u95f4\uff08\u4f1a\u4fdd\u7559\uff09\u4e0d\u4f1a\u53d1\u751f\u6539\u53d8\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">relative<\/span><\/strong><\/span><span class=\"md-plain\"> \u5b9a\u4f4d\u5143\u7d20\u7ecf\u5e38\u88ab\u7528\u6765\u4f5c\u4e3a\u7edd\u5bf9\u5b9a\u4f4d\u5143\u7d20\u7684\u5bb9\u5668\u5757\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u7edd\u5bf9\u5b9a\u4f4d<\/span><\/strong><\/span><span class=\"md-plain\">\uff08absolute\uff09\uff1a<\/span><span class=\"md-pair-s \"><strong><span class=\"md-pair-s\" spellcheck=\"false\"><code>absolute<\/code><\/span><\/strong><\/span><span class=\"md-plain\"> \u5b9a\u4f4d\u7684\u5143\u7d20\u4f4d\u7f6e\uff0c\u662f\u76f8\u5bf9\u4e8e\u5df2\u5b9a\u4f4d\u7684\u7236\u5143\u7d20\uff0c\u5982\u679c\u6ca1\u6709\u5df2\u5b9a\u4f4d\u7684\u7236\u5143\u7d20\u3002\u90a3\u4e48<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">absolute<\/span><\/strong><\/span><span class=\"md-plain\"> \u5b9a\u4f4d\u7684\u5143\u7d20\u7684\u4f4d\u7f6e\uff0c\u5219\u662f\u76f8\u5bf9\u4e8e <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>&lt;html&gt;<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">absolute<\/span><\/strong><\/span><span class=\"md-plain\"> \u5b9a\u4f4d\u7684\u5143\u7d20\u548c\u5176\u4ed6\u5143\u7d20\u91cd\u53e0\uff0c\u4e0e\u6587\u6863\u6d41\u65e0\u5173\uff0c\u4e0d\u5360\u636e\u7a7a\u95f4\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u56fa\u5b9a\u5b9a\u4f4d<\/span><\/strong><\/span><span class=\"md-plain\">\uff08fixed\uff09\uff1a<\/span><span class=\"md-pair-s \"><strong><span class=\"md-pair-s\" spellcheck=\"false\"><code>fixed<\/code><\/span><\/strong><\/span><span class=\"md-plain\"> \u5b9a\u4f4d\u7684\u5143\u7d20\u4f4d\u7f6e\u76f8\u5bf9\u4e8e\u6d4f\u89c8\u5668\u7a97\u53e3\u662f\u56fa\u5b9a\u4f4d\u7f6e\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u5373\u4f7f\u7a97\u53e3\u662f\u6eda\u52a8\u7684\uff0c<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">fixed<\/span><\/strong><\/span><span class=\"md-plain\"> \u5b9a\u4f4d\u7684\u5143\u7d20\u4e5f\u4e0d\u4f1a\u79fb\u52a8\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">fixed<\/span><\/strong><\/span><span class=\"md-plain\"> \u5b9a\u4f4d\u7684\u5143\u7d20\u548c\u5176\u4ed6\u5143\u7d20\u91cd\u53e0\uff0c\u4e0e\u6587\u6863\u6d41\u65e0\u5173\uff0c\u4e0d\u5360\u636e\u7a7a\u95f4\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u7c98\u6027\u5b9a\u4f4d<\/span><\/strong><\/span><span class=\"md-plain\">\uff08sticky\uff09\uff1a<\/span><span class=\"md-pair-s \"><strong><span class=\"md-pair-s\" spellcheck=\"false\"><code>sticky<\/code><\/span><\/strong><\/span><span class=\"md-plain\"> \u5b9a\u4f4d\u7684\u5143\u7d20\u4f4d\u7f6e\uff0c\u662f\u662f\u4f9d\u8d56\u4e8e\u7528\u6237\u7684\u6eda\u52a8\u4f4d\u7f6e\u6765\u5b9a\u4f4d\uff0c\u4e14\u662f\u5728 <\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">relative<\/span><\/strong><\/span><span class=\"md-plain\"> \u4e0e <\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">fixed<\/span><\/strong><\/span><span class=\"md-plain\"> \u5b9a\u4f4d\u4e4b\u95f4\u5207\u6362\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u5f53\u9875\u9762\u6eda\u52a8\u6ca1\u6709\u8d85\u51fa\u76ee\u6807\u533a\u57df\u65f6\uff08\u8de8\u8d8a<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u7279\u5b9a\u9608\u503c<\/span><\/strong><\/span><span class=\"md-plain\">\u524d\uff09\uff0c<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">sticky<\/span><\/strong><\/span><span class=\"md-plain\"> \u5b9a\u4f4d\u7684\u884c\u4e3a\uff0c\u50cf <\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">relative<\/span><\/strong><\/span><span class=\"md-plain\"> \u3002\u5f53\u9875\u9762\u6eda\u52a8\u8d85\u51fa\u76ee\u6807\u533a\u57df\u65f6\uff08\u8de8\u8d8a<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u7279\u5b9a\u9608\u503c<\/span><\/strong><\/span><span class=\"md-plain\">\u540e\uff09\uff0c<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">sticky<\/span><\/strong><\/span><span class=\"md-plain\"> \u5b9a\u4f4d\u7684\u8868\u73b0\uff0c\u50cf <\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">fixed<\/span><\/strong><\/span><span class=\"md-plain\">\uff0c\u4f1a\u56fa\u5b9a\u5728\u76ee\u6807\u4f4d\u7f6e\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u8fd9\u4e2a<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u7279\u5b9a\u9608\u503c<\/span><\/strong><\/span><span class=\"md-plain\">\u6307\u7684\u662f <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>top\u3001bottom\u3001left\u3001right<\/code><\/span><span class=\"md-plain\"> \u8fd94\u4e2a\u5c5e\u6027\u4e4b\u4e00\uff0c\u6307\u5b9a\u8fd94\u4e2a\u5c5e\u6027\u9608\u503c\u7684\u5176\u4e2d\u4efb\u4f551\u4e2a\uff0c\u624d\u4f1a\u4f7f\u7c98\u6027\u5b9a\u4f4d\u751f\u6548\u3002\u5426\u5219\u5176\u884c\u4e3a\u4e0e\u76f8\u5bf9\u5b9a\u4f4d\u76f8\u540c\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5b9a\u4f4d\u7684\u91cd\u53e0\u5c5e\u6027<\/span><\/strong><\/span><span class=\"md-plain\">\uff1a<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u5b9a\u4f4d\u540e\u7684\u5143\u7d20\u4e0e\u6587\u6863\u6d41\u65e0\u5173\uff0c\u5b9a\u4f4d\u5143\u7d20\u53ef\u4ee5\u8986\u76d6\u9875\u9762\u4e0a\u7684\u5176\u5b83\u5143\u7d20\u3002\u901a\u8fc7 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>z-index<\/code><\/span><span class=\"md-plain\"> \u5c5e\u6027\uff0c\u53ef\u4ee5\u6307\u5b9a\u5143\u7d20\u7684\u5806\u53e0\u987a\u5e8f\uff08\u5373\u6307\u5b9a\u54ea\u4e2a\u5143\u7d20\u5728\u524d\u9762\uff0c\u54ea\u4e2a\u5728\u540e\u9762\uff09\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u4e00\u4e2a\u5143\u7d20\u53ef\u4ee5\u6709\u6b63\u6570\u6216\u8d1f\u6570\u7684 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>z-index<\/code><\/span><span class=\"md-plain\"> \u5806\u53e0\u987a\u5e8f\uff0c\u5177\u6709\u66f4\u9ad8\u5806\u53e0\u987a\u5e8f\u7684\u5143\u7d20\u603b\u662f\u5728\u8f83\u4f4e\u7684\u5806\u53e0\u987a\u5e8f\u5143\u7d20\u7684\u524d\u9762\u3002\u800c\u5982\u679c\u4e24\u4e2a\u5b9a\u4f4d\u5143\u7d20\u91cd\u53e0\uff0c\u6ca1\u6709\u6307\u5b9a <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>z - index<\/code><\/span><span class=\"md-plain\"> \u5c5e\u6027\u503c\uff0c\u90a3\u4e48\u6700\u540e\u5b9a\u4f4d\u5728 HTML \u4ee3\u7801\u4e2d\u7684\u5143\u7d20\u5c06\u88ab\u663e\u793a\u5728\u6700\u524d\u9762\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<pre class=\"md-fences md-end-block ty-contain-cm modeLoaded\" lang=\"css\" spellcheck=\"false\"><span role=\"presentation\"><span class=\"cm-qualifier\">.static<\/span> {<\/span>\r\n<span role=\"presentation\"> \u00a0 \u00a0<span class=\"cm-property\">position<\/span>: <span class=\"cm-atom\">static<\/span>; <span class=\"cm-comment\">\/* \u9ed8\u8ba4\u72b6\u6001 *\/<\/span><\/span>\r\n<span role=\"presentation\">}<\/span>\r\n<span role=\"presentation\"><span class=\"cm-qualifier\">.relative<\/span> {<\/span>\r\n<span role=\"presentation\"> \u00a0 \u00a0<span class=\"cm-property\">position<\/span>: <span class=\"cm-atom\">relative<\/span>; <span class=\"cm-comment\">\/* \u76f8\u5bf9\u5b9a\u4f4d *\/<\/span><\/span>\r\n<span role=\"presentation\">}<\/span>\r\n<span role=\"presentation\"><span class=\"cm-qualifier\">.absolute<\/span> {<\/span>\r\n<span role=\"presentation\"> \u00a0 \u00a0<span class=\"cm-property\">position<\/span>: <span class=\"cm-atom\">absolute<\/span>; <span class=\"cm-comment\">\/* \u7edd\u5bf9\u5b9a\u4f4d *\/<\/span><\/span>\r\n<span role=\"presentation\"> \u00a0 \u00a0<span class=\"cm-property\">top<\/span>: <span class=\"cm-number\">10px<\/span>; <\/span>\r\n<span role=\"presentation\"> \u00a0 \u00a0<span class=\"cm-property\">left<\/span>: <span class=\"cm-number\">20px<\/span>;<\/span>\r\n<span role=\"presentation\">}<\/span>\r\n<span role=\"presentation\"><span class=\"cm-qualifier\">.fixed<\/span> {<\/span>\r\n<span role=\"presentation\"> \u00a0 \u00a0<span class=\"cm-property\">position<\/span>: <span class=\"cm-atom\">fixed<\/span>; <span class=\"cm-comment\">\/* \u56fa\u5b9a\u5b9a\u4f4d *\/<\/span><\/span>\r\n<span role=\"presentation\"> \u00a0 \u00a0<span class=\"cm-property\">bottom<\/span>: <span class=\"cm-number\">0<\/span>;<\/span>\r\n<span role=\"presentation\">}<\/span>\r\n<span role=\"presentation\"><span class=\"cm-qualifier\">.sticky<\/span> {<\/span>\r\n<span role=\"presentation\"> \u00a0 \u00a0<span class=\"cm-property\">position<\/span>: <span class=\"cm-variable\">sticky<\/span>; <span class=\"cm-comment\">\/* \u7c98\u6027\u5b9a\u4f4d *\/<\/span><\/span>\r\n<span role=\"presentation\"> \u00a0 \u00a0<span class=\"cm-property\">top<\/span>: <span class=\"cm-number\">0<\/span>;<\/span>\r\n<span role=\"presentation\">}<\/span><\/pre>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5b9a\u4f4d<\/span><\/strong><\/span><span class=\"md-plain\">\u76f8\u5173\u5c5e\u6027<\/span><\/p>\n<figure class=\"md-table-fig\">\n<table class=\"md-table\">\n<thead>\n<tr class=\"md-end-block\">\n<th><span class=\"td-span\"><span class=\"md-plain\">\u5c5e\u6027<\/span><\/span><\/th>\n<th><span class=\"td-span\"><span class=\"md-plain\">\u8bf4\u660e<\/span><\/span><\/th>\n<th><span class=\"td-span\"><span class=\"md-plain\">\u503c<\/span><\/span><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr class=\"md-end-block\">\n<td><span class=\"td-span\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>position<\/code><\/span><\/span><\/td>\n<td><span class=\"td-span\"><span class=\"md-plain\">\u6307\u5b9a\u5143\u7d20\u7684\u5b9a\u4f4d\u7c7b\u578b\u3002<\/span><\/span><\/td>\n<td><span class=\"td-span\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>static<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>relative<\/code><\/span><span class=\"md-plain\">\u3001<\/span> <span class=\"md-pair-s\" spellcheck=\"false\"><code>absolute<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>fixed<\/code><\/span><span class=\"md-plain\">\u3001<\/span> <span class=\"md-pair-s\" spellcheck=\"false\"><code>sticky<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>inherit<\/code><\/span><\/span><\/td>\n<\/tr>\n<tr class=\"md-end-block\">\n<td><span class=\"td-span\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>top<\/code><\/span><\/span><\/td>\n<td><span class=\"td-span\"><span class=\"md-plain\">\u5b9a\u4e49\u4e86\u4e00\u4e2a\u5b9a\u4f4d\u5143\u7d20\u7684\u4e0a\u5916\u8fb9\u8ddd\u8fb9\u754c\u4e0e\u5176\u5305\u542b\u5757\u4e0a\u8fb9\u754c\u4e4b\u95f4\u7684\u504f\u79fb\u3002<\/span><\/span><\/td>\n<td><span class=\"td-span\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>auto<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>length<\/code><\/span><span class=\"md-plain\">\u3001<\/span> <span class=\"md-pair-s\" spellcheck=\"false\"><code>%<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>inherit<\/code><\/span><\/span><\/td>\n<\/tr>\n<tr class=\"md-end-block\">\n<td><span class=\"td-span\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>right<\/code><\/span><\/span><\/td>\n<td><span class=\"td-span\"><span class=\"md-plain\">\u5b9a\u4e49\u4e86\u5b9a\u4f4d\u5143\u7d20\u53f3\u5916\u8fb9\u8ddd\u8fb9\u754c\u4e0e\u5176\u5305\u542b\u5757\u53f3\u8fb9\u754c\u4e4b\u95f4\u7684\u504f\u79fb\u3002<\/span><\/span><\/td>\n<td><span class=\"td-span\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>auto<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>length<\/code><\/span><span class=\"md-plain\">\u3001<\/span> <span class=\"md-pair-s\" spellcheck=\"false\"><code>%<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>inherit<\/code><\/span><\/span><\/td>\n<\/tr>\n<tr class=\"md-end-block\">\n<td><span class=\"td-span\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>bottom<\/code><\/span><\/span><\/td>\n<td><span class=\"td-span\"><span class=\"md-plain\">\u5b9a\u4e49\u4e86\u5b9a\u4f4d\u5143\u7d20\u4e0b\u5916\u8fb9\u8ddd\u8fb9\u754c\u4e0e\u5176\u5305\u542b\u5757\u4e0b\u8fb9\u754c\u4e4b\u95f4\u7684\u504f\u79fb\u3002<\/span><\/span><\/td>\n<td><span class=\"td-span\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>auto<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>length<\/code><\/span><span class=\"md-plain\">\u3001<\/span> <span class=\"md-pair-s\" spellcheck=\"false\"><code>%<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>inherit<\/code><\/span><\/span><\/td>\n<\/tr>\n<tr class=\"md-end-block\">\n<td><span class=\"td-span\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>left<\/code><\/span><\/span><\/td>\n<td><span class=\"td-span\"><span class=\"md-plain\">\u5b9a\u4e49\u4e86\u5b9a\u4f4d\u5143\u7d20\u5de6\u5916\u8fb9\u8ddd\u8fb9\u754c\u4e0e\u5176\u5305\u542b\u5757\u5de6\u8fb9\u754c\u4e4b\u95f4\u7684\u504f\u79fb\u3002<\/span><\/span><\/td>\n<td><span class=\"td-span\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>auto<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>length<\/code><\/span><span class=\"md-plain\">\u3001<\/span> <span class=\"md-pair-s\" spellcheck=\"false\"><code>%<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>inherit<\/code><\/span><\/span><\/td>\n<\/tr>\n<tr class=\"md-end-block\">\n<td><span class=\"td-span\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>z-index<\/code><\/span><\/span><\/td>\n<td><span class=\"td-span\"><span class=\"md-plain\">\u8bbe\u7f6e\u5143\u7d20\u7684\u5806\u53e0\u987a\u5e8f\u3002<\/span><\/span><\/td>\n<td><span class=\"td-span\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>number<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>auto<\/code><\/span><span class=\"md-plain\">\u3001<\/span> <span class=\"md-pair-s\" spellcheck=\"false\"><code>inherit<\/code><\/span><\/span><\/td>\n<\/tr>\n<tr class=\"md-end-block\">\n<td><span class=\"td-span\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>overflow<\/code><\/span><\/span><\/td>\n<td><span class=\"td-span\"><span class=\"md-plain\">\u53ea\u5de5\u4f5c\u4e8e\u6307\u5b9a\u9ad8\u5ea6\u7684\u5757\u5143\u7d20\u4e0a\uff0c\u7528\u4e8e\u63a7\u5236\u5185\u5bb9\u6ea2\u51fa\u5143\u7d20\u6846\u65f6\u663e\u793a\u7684\u65b9\u5f0f\u3002<\/span><\/span><\/td>\n<td><span class=\"td-span\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>auto<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>hidden<\/code><\/span><span class=\"md-plain\">\u3001<\/span> <span class=\"md-pair-s\" spellcheck=\"false\"><code>scroll<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>visible<\/code><\/span><span class=\"md-plain\">\u3001<\/span> <span class=\"md-pair-s\" spellcheck=\"false\"><code>inherit<\/code><\/span><\/span><\/td>\n<\/tr>\n<tr class=\"md-end-block\">\n<td><span class=\"td-span\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>overflow-x<\/code><\/span><\/span><\/td>\n<td><span class=\"td-span\"><span class=\"md-plain\">\u6307\u5b9a\u5982\u4f55\u5904\u7406\u53f3\u8fb9\/\u5de6\u8fb9\u8fb9\u7f18\u7684\u5185\u5bb9\u6ea2\u51fa\u5143\u7d20\u7684\u5185\u5bb9\u533a\u57df\u3002<\/span><\/span><\/td>\n<td><span class=\"td-span\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>auto<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>hidden<\/code><\/span><span class=\"md-plain\">\u3001<\/span> <span class=\"md-pair-s\" spellcheck=\"false\"><code>scroll<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>visible<\/code><\/span><span class=\"md-plain\">\u3001<\/span> <span class=\"md-pair-s\" spellcheck=\"false\"><code>no-display<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>no-content<\/code><\/span><\/span><\/td>\n<\/tr>\n<tr class=\"md-end-block\">\n<td><span class=\"td-span\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>overflow-y<\/code><\/span><\/span><\/td>\n<td><span class=\"td-span\"><span class=\"md-plain\">\u6307\u5b9a\u5982\u4f55\u5904\u7406\u9876\u90e8\/\u5e95\u90e8\u8fb9\u7f18\u7684\u5185\u5bb9\u6ea2\u51fa\u5143\u7d20\u7684\u5185\u5bb9\u533a\u57df\u3002<\/span><\/span><\/td>\n<td><span class=\"td-span\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>auto<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>hidden<\/code><\/span><span class=\"md-plain\">\u3001<\/span> <span class=\"md-pair-s\" spellcheck=\"false\"><code>scroll<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>visible<\/code><\/span><span class=\"md-plain\">\u3001<\/span> <span class=\"md-pair-s\" spellcheck=\"false\"><code>no-display<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>no-content<\/code><\/span><\/span><\/td>\n<\/tr>\n<tr class=\"md-end-block\">\n<td><span class=\"td-span\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>clip<\/code><\/span><\/span><\/td>\n<td><span class=\"td-span\"><span class=\"md-plain\">\u526a\u8f91\u4e00\u4e2a\u7edd\u5bf9\u5b9a\u4f4d\u7684\u5143\u7d20\u3002<\/span><\/span><\/td>\n<td><span class=\"td-span\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>shape<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>auto<\/code><\/span><span class=\"md-plain\">\u3001<\/span> <span class=\"md-pair-s\" spellcheck=\"false\"><code>inherit<\/code><\/span><\/span><\/td>\n<\/tr>\n<tr class=\"md-end-block\">\n<td><span class=\"td-span\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>cursor<\/code><\/span><\/span><\/td>\n<td><span class=\"td-span\"><span class=\"md-plain\">\u663e\u793a\u5149\u6807\u79fb\u52a8\u5230\u6307\u5b9a\u7684\u7c7b\u578b\u3002<\/span><\/span><\/td>\n<td><span class=\"td-span\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>auto<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>default<\/code><\/span><span class=\"md-plain\">\u3001<\/span> <span class=\"md-pair-s\" spellcheck=\"false\"><code>pointer<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>crosshair<\/code><\/span><span class=\"md-plain\">\u3001<\/span> <span class=\"md-pair-s\" spellcheck=\"false\"><code>move<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>wait<\/code><\/span><span class=\"md-plain\">\u3001<\/span> <span class=\"md-pair-s\" spellcheck=\"false\"><code>text<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>help<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>url<\/code><\/span><span class=\"md-plain\">\u3001<\/span> <span class=\"md-pair-s\" spellcheck=\"false\"><code>e-resize<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>ne-resize<\/code><\/span><span class=\"md-plain\">\u3001<\/span> <span class=\"md-pair-s\" spellcheck=\"false\"><code>nw-resize<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>n-resize<\/code><\/span><span class=\"md-plain\">\u3001<\/span> <span class=\"md-pair-s\" spellcheck=\"false\"><code>se-resize<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>sw-resize<\/code><\/span><span class=\"md-plain\">\u3001<\/span> <span class=\"md-pair-s\" spellcheck=\"false\"><code>s-resize<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>w-resize<\/code><\/span><span class=\"md-plain\">\u3001<\/span><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5f39\u6027\u76d2\u5b50<\/span><\/strong><\/span><span class=\"md-plain\">\uff08Flexbox\uff09<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u73b0\u4ee3\u65b0\u5f0f\u5e03\u5c40\uff0c\u8bbe\u7f6e\u4e00\u7ef4\u5f39\u6027\u5e03\u5c40\uff0c\u7528\u4e8e\u7b80\u5316\u54cd\u5e94\u5f0f\u5e03\u5c40\u3002\u9002\u5408\u7b80\u5355\u5bf9\u9f50\u548c\u7a7a\u95f4\u5206\u914d\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u5f39\u6027\u76d2\u5b50\u7531<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5f39\u6027\u5bb9\u5668<\/span><\/strong><\/span><span class=\"md-plain\">\uff08Flex container\uff09\u548c<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5f39\u6027\u5b50\u5143\u7d20<\/span><\/strong><\/span><span class=\"md-plain\">\uff08Flex item\uff09\u7ec4\u6210\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u901a\u8fc7\u8bbe\u7f6e <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>display<\/code><\/span><span class=\"md-plain\">\u5c5e\u6027\u7684\u503c\u4e3a <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>flex<\/code><\/span><span class=\"md-plain\"> \u6216 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>inline-flex<\/code><\/span><span class=\"md-plain\"> \uff0c\u5c06\u663e\u793a\u5e03\u5c40\u5b9a\u4e49\u4e3a<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5f39\u6027\u5bb9\u5668<\/span><\/strong><\/span><span class=\"md-plain\">\u3002\u5f39\u6027\u5bb9\u5668\u5185\u5305\u542b\u4e86\u4e00\u4e2a\u6216\u591a\u4e2a<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5f39\u6027\u5b50\u5143\u7d20<\/span><\/strong><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u76f8\u5173\u5c5e\u6027<\/span><\/strong><\/span><span class=\"md-plain\">\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>flex<\/code><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>flex-basis<\/code><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>flex-direction<\/code><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>flex-flow<\/code><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>flex-grow<\/code><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>flex-shrink<\/code><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>flex-wrap<\/code><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>order<\/code><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>align-content<\/code><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>align-items<\/code><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>align-self<\/code><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>justify-content<\/code><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>place-content<\/code><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>row-gap<\/code><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>column-gap<\/code><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>gap<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>flex-direction<\/code><\/span><span class=\"md-plain\">\uff08\u6307\u5b9a\u5f39\u6027\u5b50\u5143\u7d20\u5728\u7236\u5bb9\u5668\u4e2d\u7684\u4f4d\u7f6e\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>row | row-reverse | column | column-reverse;<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>row<\/code><\/span><span class=\"md-plain\">\uff1a\u6a2a\u5411\u4ece\u5de6\u5230\u53f3\u6392\u5217\uff08\u5de6\u5bf9\u9f50\uff09\uff0c\u9ed8\u8ba4\u7684\u6392\u5217\u65b9\u5f0f\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>row-reverse<\/code><\/span><span class=\"md-plain\">\uff1a\u53cd\u8f6c\u6a2a\u5411\u6392\u5217\uff08\u53f3\u5bf9\u9f50\uff0c\u4ece\u540e\u5f80\u524d\u6392\uff0c\u6700\u540e\u4e00\u9879\u6392\u5728\u6700\u524d\u9762\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>column<\/code><\/span><span class=\"md-plain\">\uff1a\u7eb5\u5411\u6392\u5217\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>column-reverse<\/code><\/span><span class=\"md-plain\">\uff1a\u53cd\u8f6c\u7eb5\u5411\u6392\u5217\uff0c\u4ece\u540e\u5f80\u524d\u6392\uff0c\u6700\u540e\u4e00\u9879\u6392\u5728\u6700\u4e0a\u9762\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>flex-wrap<\/code><\/span><span class=\"md-plain\">\uff08\u7528\u4e8e\u6307\u5b9a\u5f39\u6027\u76d2\u5b50\u7684\u5b50\u5143\u7d20\u6362\u884c\u65b9\u5f0f\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>nowrap | wrap | wrap-reverse | initial | inherit;<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>nowrap<\/code><\/span><span class=\"md-plain\">\uff1a \u9ed8\u8ba4\uff0c \u5f39\u6027\u5bb9\u5668\u4e3a\u5355\u884c\u3002\u8be5\u60c5\u51b5\u4e0b\u5f39\u6027\u5b50\u9879\u53ef\u80fd\u4f1a\u6ea2\u51fa\u5bb9\u5668\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>wrap<\/code><\/span><span class=\"md-plain\">\uff1a\u5f39\u6027\u5bb9\u5668\u4e3a\u591a\u884c\u3002\u8be5\u60c5\u51b5\u4e0b\u5f39\u6027\u5b50\u9879\u6ea2\u51fa\u7684\u90e8\u5206\u4f1a\u88ab\u653e\u7f6e\u5230\u65b0\u884c\uff0c\u5b50\u9879\u5185\u90e8\u4f1a\u53d1\u751f\u65ad\u884c\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>wrap-reverse<\/code><\/span><span class=\"md-plain\">\uff1a\u53cd\u8f6c wrap \u6392\u5217\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>flex-flow<\/code><\/span><span class=\"md-plain\">\uff08\u8bbe\u7f6e\u6216\u68c0\u7d22\u5f39\u6027\u76d2\u6a21\u578b\u5bf9\u8c61\u7684\u5b50\u5143\u7d20\u6392\u5217\u65b9\u5f0f\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>flex-direction  flex-wrap|initial|inherit;<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>flex<\/code><\/span><span class=\"md-plain\">\uff08\u8bbe\u7f6e\u5f39\u6027\u76d2\u5b50\u7684\u5b50\u5143\u7d20\u5982\u4f55\u5206\u914d\u7a7a\u95f4\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>flex-grow flex-shrink flex-basis|auto|initial|inherit;<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>flex-grow<\/code><\/span><span class=\"md-plain\">\uff08\u8bbe\u7f6e\u6216\u68c0\u7d22\u5f39\u6027\u76d2\u5b50\u7684\u6269\u5c55\u6bd4\u7387\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>number | initial | inherit;<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>flex-shrink<\/code><\/span><span class=\"md-plain\">\uff08flex \u5143\u7d20\u7684\u6536\u7f29\u5927\u5c0f\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>number | initial | inherit;<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>flex-basis<\/code><\/span><span class=\"md-plain\">\uff08\u8bbe\u7f6e\u6216\u68c0\u7d22\u5f39\u6027\u76d2\u4f38\u7f29\u57fa\u51c6\u503c\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>number | auto | initial | inherit;<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>justify-content<\/code><\/span><span class=\"md-plain\">\uff08\u6cbf\u7740\u5f39\u6027\u5bb9\u5668\u7684\u4e3b\u8f74\u7ebf\uff08\u6a2a\u8f74\uff09\uff0c\u8fdb\u884c\u5185\u5bb9\u5bf9\u9f50\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>flex-start | flex-end | center | space-between | space-around;<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>flex-start<\/code><\/span><span class=\"md-plain\">\uff1a\u5f39\u6027\u9879\u76ee\u5411\u884c\u5934\u7d27\u6328\u7740\u586b\u5145\u3002\u8fd9\u4e2a\u662f\u9ed8\u8ba4\u503c\u3002\u7b2c\u4e00\u4e2a\u5f39\u6027\u9879\u7684main-start\u5916\u8fb9\u8ddd\u8fb9\u7ebf\u88ab\u653e\u7f6e\u5728\u8be5\u884c\u7684main-start\u8fb9\u7ebf\uff0c\u800c\u540e\u7eed\u5f39\u6027\u9879\u4f9d\u6b21\u5e73\u9f50\u6446\u653e\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>flex-end<\/code><\/span><span class=\"md-plain\">\uff1a\u5f39\u6027\u9879\u76ee\u5411\u884c\u5c3e\u7d27\u6328\u7740\u586b\u5145\u3002\u7b2c\u4e00\u4e2a\u5f39\u6027\u9879\u7684main-end\u5916\u8fb9\u8ddd\u8fb9\u7ebf\u88ab\u653e\u7f6e\u5728\u8be5\u884c\u7684main-end\u8fb9\u7ebf\uff0c\u800c\u540e\u7eed\u5f39\u6027\u9879\u4f9d\u6b21\u5e73\u9f50\u6446\u653e\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>center<\/code><\/span><span class=\"md-plain\">\uff1a\u5f39\u6027\u9879\u76ee\u5c45\u4e2d\u7d27\u6328\u7740\u586b\u5145\u3002\uff08\u5982\u679c\u5269\u4f59\u7684\u81ea\u7531\u7a7a\u95f4\u662f\u8d1f\u7684\uff0c\u5219\u5f39\u6027\u9879\u76ee\u5c06\u5728\u4e24\u4e2a\u65b9\u5411\u4e0a\u540c\u65f6\u6ea2\u51fa\uff09\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>space-between<\/code><\/span><span class=\"md-plain\">\uff1a\u5f39\u6027\u9879\u76ee\u5e73\u5747\u5206\u5e03\u5728\u8be5\u884c\u4e0a\u3002\u5982\u679c\u5269\u4f59\u7a7a\u95f4\u4e3a\u8d1f\u6216\u8005\u53ea\u6709\u4e00\u4e2a\u5f39\u6027\u9879\uff0c\u5219\u8be5\u503c\u7b49\u540c\u4e8eflex-start\u3002\u5426\u5219\uff0c\u7b2c1\u4e2a\u5f39\u6027\u9879\u7684\u5916\u8fb9\u8ddd\u548c\u884c\u7684main-start\u8fb9\u7ebf\u5bf9\u9f50\uff0c\u800c\u6700\u540e1\u4e2a\u5f39\u6027\u9879\u7684\u5916\u8fb9\u8ddd\u548c\u884c\u7684main-end\u8fb9\u7ebf\u5bf9\u9f50\uff0c\u7136\u540e\u5269\u4f59\u7684\u5f39\u6027\u9879\u5206\u5e03\u5728\u8be5\u884c\u4e0a\uff0c\u76f8\u90bb\u9879\u76ee\u7684\u95f4\u9694\u76f8\u7b49\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>space-around<\/code><\/span><span class=\"md-plain\">\uff1a\u5f39\u6027\u9879\u76ee\u5e73\u5747\u5206\u5e03\u5728\u8be5\u884c\u4e0a\uff0c\u4e24\u8fb9\u7559\u6709\u4e00\u534a\u7684\u95f4\u9694\u7a7a\u95f4\u3002\u5982\u679c\u5269\u4f59\u7a7a\u95f4\u4e3a\u8d1f\u6216\u8005\u53ea\u6709\u4e00\u4e2a\u5f39\u6027\u9879\uff0c\u5219\u8be5\u503c\u7b49\u540c\u4e8ecenter\u3002\u5426\u5219\uff0c\u5f39\u6027\u9879\u76ee\u6cbf\u8be5\u884c\u5206\u5e03\uff0c\u4e14\u5f7c\u6b64\u95f4\u9694\u76f8\u7b49\uff08\u6bd4\u5982\u662f20px\uff09\uff0c\u540c\u65f6\u9996\u5c3e\u4e24\u8fb9\u548c\u5f39\u6027\u5bb9\u5668\u4e4b\u95f4\u7559\u6709\u4e00\u534a\u7684\u95f4\u9694\uff081\/2*20px=10px\uff09\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>align-items<\/code><\/span><span class=\"md-plain\">\uff08\u8bbe\u7f6e\u6216\u68c0\u7d22\u5f39\u6027\u76d2\u5b50\u5143\u7d20\u5728\u4fa7\u8f74\uff08\u7eb5\u8f74\uff09\u65b9\u5411\u4e0a\u7684\u5bf9\u9f50\u65b9\u5f0f\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>flex-start | flex-end | center | baseline | stretch;<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>flex-start<\/code><\/span><span class=\"md-plain\">\uff1a\u5f39\u6027\u76d2\u5b50\u5143\u7d20\u7684\u4fa7\u8f74\uff08\u7eb5\u8f74\uff09\u8d77\u59cb\u4f4d\u7f6e\u7684\u8fb9\u754c\u7d27\u9760\u4f4f\u8be5\u884c\u7684\u4fa7\u8f74\u8d77\u59cb\u8fb9\u754c\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>flex-end<\/code><\/span><span class=\"md-plain\">\uff1a\u5f39\u6027\u76d2\u5b50\u5143\u7d20\u7684\u4fa7\u8f74\uff08\u7eb5\u8f74\uff09\u8d77\u59cb\u4f4d\u7f6e\u7684\u8fb9\u754c\u7d27\u9760\u4f4f\u8be5\u884c\u7684\u4fa7\u8f74\u7ed3\u675f\u8fb9\u754c\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>center<\/code><\/span><span class=\"md-plain\">\uff1a\u5f39\u6027\u76d2\u5b50\u5143\u7d20\u5728\u8be5\u884c\u7684\u4fa7\u8f74\uff08\u7eb5\u8f74\uff09\u4e0a\u5c45\u4e2d\u653e\u7f6e\u3002\uff08\u5982\u679c\u8be5\u884c\u7684\u5c3a\u5bf8\u5c0f\u4e8e\u5f39\u6027\u76d2\u5b50\u5143\u7d20\u7684\u5c3a\u5bf8\uff0c\u5219\u4f1a\u5411\u4e24\u4e2a\u65b9\u5411\u6ea2\u51fa\u76f8\u540c\u7684\u957f\u5ea6\uff09\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>baseline<\/code><\/span><span class=\"md-plain\">\uff1a\u5982\u5f39\u6027\u76d2\u5b50\u5143\u7d20\u7684\u884c\u5185\u8f74\u4e0e\u4fa7\u8f74\u4e3a\u540c\u4e00\u6761\uff0c\u5219\u8be5\u503c\u4e0e&#8217;flex-start&#8217;\u7b49\u6548\u3002\u5176\u5b83\u60c5\u51b5\u4e0b\uff0c\u8be5\u503c\u5c06\u53c2\u4e0e\u57fa\u7ebf\u5bf9\u9f50\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>stretch<\/code><\/span><span class=\"md-plain\">\uff1a\u5982\u679c\u6307\u5b9a\u4fa7\u8f74\u5927\u5c0f\u7684\u5c5e\u6027\u503c\u4e3a&#8217;auto&#8217;\uff0c\u5219\u5176\u503c\u4f1a\u4f7f\u9879\u76ee\u7684\u8fb9\u8ddd\u76d2\u7684\u5c3a\u5bf8\u5c3d\u53ef\u80fd\u63a5\u8fd1\u6240\u5728\u884c\u7684\u5c3a\u5bf8\uff0c\u4f46\u540c\u65f6\u4f1a\u9075\u7167&#8217;min\/max-width\/height&#8217;\u5c5e\u6027\u7684\u9650\u5236\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>align-content<\/code><\/span><span class=\"md-plain\">\uff08\u7528\u4e8e\u4fee\u6539 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>flex-wrap<\/code><\/span><span class=\"md-plain\"> \u5c5e\u6027\u7684\u884c\u4e3a\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>flex-start | flex-end | center | space-between | space-around | stretch;<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>align-content<\/code><\/span><span class=\"md-plain\"> \u7c7b\u4f3c\u4e8e <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>align-items<\/code><\/span><span class=\"md-plain\">, \u4f46 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>align-content<\/code><\/span><span class=\"md-plain\"> \u4e0d\u662f\u8bbe\u7f6e\u5f39\u6027\u5b50\u5143\u7d20\u7684\u5bf9\u9f50\uff0c\u800c\u662f\u8bbe\u7f6e\u5404\u4e2a\u884c\u7684\u5bf9\u9f50\u3002<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>stretch<\/code><\/span><span class=\"md-plain\">\uff1a\u9ed8\u8ba4\u3002\u5404\u884c\u5c06\u4f1a\u4f38\u5c55\u4ee5\u5360\u7528\u5269\u4f59\u7684\u7a7a\u95f4\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>flex-start<\/code><\/span><span class=\"md-plain\">\uff1a\u5404\u884c\u5411\u5f39\u6027\u76d2\u5bb9\u5668\u7684\u8d77\u59cb\u4f4d\u7f6e\u5806\u53e0\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>flex-end<\/code><\/span><span class=\"md-plain\">\uff1a\u5404\u884c\u5411\u5f39\u6027\u76d2\u5bb9\u5668\u7684\u7ed3\u675f\u4f4d\u7f6e\u5806\u53e0\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>center<\/code><\/span><span class=\"md-plain\">\uff1a\u5404\u884c\u5411\u5f39\u6027\u76d2\u5bb9\u5668\u7684\u4e2d\u95f4\u4f4d\u7f6e\u5806\u53e0\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>space-between<\/code><\/span><span class=\"md-plain\">\uff1a\u5404\u884c\u5728\u5f39\u6027\u76d2\u5bb9\u5668\u4e2d\u5e73\u5747\u5206\u5e03\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>space-around<\/code><\/span><span class=\"md-plain\">\uff1a\u5404\u884c\u5728\u5f39\u6027\u76d2\u5bb9\u5668\u4e2d\u5e73\u5747\u5206\u5e03\uff0c\u4e24\u7aef\u4fdd\u7559\u5b50\u5143\u7d20\u4e0e\u5b50\u5143\u7d20\u4e4b\u95f4\u95f4\u8ddd\u5927\u5c0f\u7684\u4e00\u534a\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>align-self<\/code><\/span><span class=\"md-plain\">\uff08\u5728\u5f39\u6027\u5b50\u5143\u7d20\u4e0a\u4f7f\u7528\uff0c\u8986\u76d6\u5bb9\u5668\u7684 align-items \u5c5e\u6027\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>auto | stretch | center | flex-start | flex-end | baseline | initial | inherit;<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>auto<\/code><\/span><span class=\"md-plain\">\uff1a\u9ed8\u8ba4\u503c\u3002\u5143\u7d20\u7ee7\u627f\u4e86\u5b83\u7684\u7236\u5bb9\u5668\u7684 align-items \u5c5e\u6027\u3002\u5982\u679c\u6ca1\u6709\u7236\u5bb9\u5668\u5219\u4e3a &#8220;stretch&#8221;\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>stretch<\/code><\/span><span class=\"md-plain\">\uff1a\u5143\u7d20\u88ab\u62c9\u4f38\u4ee5\u9002\u5e94\u5bb9\u5668\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>center<\/code><\/span><span class=\"md-plain\">\uff1a\u5143\u7d20\u4f4d\u4e8e\u5bb9\u5668\u7684\u4e2d\u5fc3\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>flex-start<\/code><\/span><span class=\"md-plain\">\uff1a\u5143\u7d20\u4f4d\u4e8e\u5bb9\u5668\u7684\u5f00\u5934\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>flex-end<\/code><\/span><span class=\"md-plain\">\uff1a\u5143\u7d20\u4f4d\u4e8e\u5bb9\u5668\u7684\u7ed3\u5c3e\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>baseline<\/code><\/span><span class=\"md-plain\">\uff1a\u5143\u7d20\u4f4d\u4e8e\u5bb9\u5668\u7684\u57fa\u7ebf\u4e0a\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>initial<\/code><\/span><span class=\"md-plain\">\uff1a\u8bbe\u7f6e\u8be5\u5c5e\u6027\u4e3a\u5b83\u7684\u9ed8\u8ba4\u503c\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>inherit<\/code><\/span><span class=\"md-plain\">\uff1a\u4ece\u7236\u5143\u7d20\u7ee7\u627f\u8be5\u5c5e\u6027\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>order<\/code><\/span><span class=\"md-plain\">\uff08\u8bbe\u7f6e\u5f39\u6027\u76d2\u5b50\u7684\u5b50\u5143\u7d20\u6392\u5217\u987a\u5e8f\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>number | initial | inherit;<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<pre class=\"md-fences md-end-block ty-contain-cm modeLoaded\" lang=\"css\" spellcheck=\"false\"><span role=\"presentation\"><span class=\"cm-qualifier\">.flexbox-container<\/span> {<\/span>\r\n<span role=\"presentation\"> \u00a0 \u00a0<span class=\"cm-property\">display<\/span>: <span class=\"cm-atom\">flex<\/span>; \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <span class=\"cm-comment\">\/* \u521b\u5efa\u5f39\u6027\u5bb9\u5668 *\/<\/span><\/span>\r\n<span role=\"presentation\"> \u00a0 \u00a0<span class=\"cm-property\">justify-content<\/span>: <span class=\"cm-atom\">center<\/span>; <span class=\"cm-comment\">\/* \u6c34\u5e73\u5c45\u4e2d\u5bf9\u9f50 *\/<\/span><\/span>\r\n<span role=\"presentation\"> \u00a0 \u00a0<span class=\"cm-comment\">\/* justify-content: space-between; *\/<\/span> <span class=\"cm-comment\">\/* \u4e3b\u8f74\u5bf9\u9f50\u65b9\u5f0f *\/<\/span><\/span>\r\n<span role=\"presentation\"> \u00a0 \u00a0<span class=\"cm-property\">align-items<\/span>: <span class=\"cm-atom\">center<\/span>; \u00a0 \u00a0 <span class=\"cm-comment\">\/* \u5782\u76f4\u5c45\u4e2d\u5bf9\u9f50 *\/<\/span><\/span>\r\n<span role=\"presentation\"> \u00a0 \u00a0<span class=\"cm-comment\">\/* align-items: center; *\/<\/span> <span class=\"cm-comment\">\/* \u4ea4\u53c9\u8f74\u5bf9\u9f50\u65b9\u5f0f *\/<\/span><\/span>\r\n<span role=\"presentation\">}<\/span><\/pre>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u7f51\u683c\u5e03\u5c40<\/span><\/strong><\/span><span class=\"md-plain\">\uff08Grid\uff09<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u73b0\u4ee3\u65b0\u5f0f\u5e03\u5c40\uff0c\u8bbe\u7f6e\u4e8c\u7ef4\u7f51\u683c\u5e03\u5c40\uff0c\u7528\u4e8e\u5b9e\u73b0\u590d\u6742\u9875\u9762\u7ed3\u6784\u3002\u7f51\u683c\u662f\u4e00\u7ec4\u76f8\u4ea4\u7684\u6c34\u5e73\u7ebf\u548c\u5782\u76f4\u7ebf\uff0c\u5206\u522b\u5b9a\u4e49\u7f51\u683c\u7684\u5217\u548c\u884c\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u901a\u8fc7\u8bbe\u7f6e <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>display<\/code><\/span><span class=\"md-plain\">\u5c5e\u6027\u7684\u503c\u4e3a <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>grid<\/code><\/span><span class=\"md-plain\"> \u6216 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>inline-grid<\/code><\/span><span class=\"md-plain\"> \uff0c\u5c06\u663e\u793a\u5e03\u5c40\u5b9a\u4e49\u4e3a<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u7f51\u683c\u5bb9\u5668<\/span><\/strong><\/span><span class=\"md-plain\">\u3002\u7f51\u683c\u5bb9\u5668\u5e26\u6709<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u884c<\/span><\/strong><\/span><span class=\"md-plain\">\u548c<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5217<\/span><\/strong><\/span><span class=\"md-plain\">\uff0c\u53ef\u4ee5\u66f4\u8f7b\u677e\u5730\u8bbe\u8ba1\u7f51\u9875\uff0c\u800c\u65e0\u9700\u4f7f\u7528\u6d6e\u52a8\u548c\u5b9a\u4f4d\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u7f51\u683c\u5f15\u5165\u4e86\uff08<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">fr<\/span><\/strong><\/span><span class=\"md-plain\"> \u5355\u4f4d\uff09\uff0c\u53ef\u4ee5\u521b\u5efa\u7075\u6d3b\u7684\u7f51\u683c\u8f68\u9053\u3002\u4e00\u4e2a\uff08<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">fr<\/span><\/strong><\/span><span class=\"md-plain\"> \u5355\u4f4d\uff09\u4ee3\u8868\u7f51\u683c\u5bb9\u5668\u4e2d\u53ef\u7528\u7a7a\u95f4\u7684\u4e00\u7b49\u4efd\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u76f8\u5173\u5c5e\u6027<\/span><\/strong><\/span><span class=\"md-plain\">\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>grid-template-columns<\/code><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>grid-template-rows<\/code><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>grid-template-areas<\/code><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>grid-template<\/code><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>grid-auto-columns<\/code><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>grid-auto-rows<\/code><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>grid-auto-flow<\/code><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>grid<\/code><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>grid-row-start<\/code><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>grid-column-start<\/code><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>grid-row-end<\/code><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>grid-column-end<\/code><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>grid-row<\/code><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>grid-column<\/code><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>grid-area<\/code><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>grid-row-gap<\/code><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>grid-column-gap<\/code><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>grid-gap<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>grid<\/code><\/span><span class=\"md-plain\">\uff08 CSS \u6240\u6709\u7f51\u683c\u5bb9\u5668\u7684\u7b80\u5199\u5c5e\u6027\uff09\uff0c\u53ef\u4ee5\u7528\u6765\u8bbe\u7f6e\u4ee5\u4e0b\u5c5e\u6027\uff1a<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u663e\u5f0f\u7f51\u683c\u5c5e\u6027\uff1a <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>grid-template-rows<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>grid-template-columns<\/code><\/span><span class=\"md-plain\"> \u548c <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>grid-template-areas<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u9690\u5f0f\u7f51\u683c\u5c5e\u6027\uff1a <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>grid-auto-rows<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>grid-auto-columns<\/code><\/span><span class=\"md-plain\"> \u548c <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>grid-auto-flow<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u95f4\u8ddd\u5c5e\u6027\uff1a <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>grid-row-gap<\/code><\/span><span class=\"md-plain\"> \u548c <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>grid-column-gap<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>grid-template<\/code><\/span><span class=\"md-plain\">\uff08\u8bbe\u7f6e\u7f51\u683c\u4e2d\u884c\u3001\u5217\u4e0e\u5206\u533a\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>none | grid-template-rows\/grid-template-columns | grid-template-areas | initial | inherit;<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>grid-template-rows<\/code><\/span><span class=\"md-plain\">\uff08\u5b9a\u4e49\u7f51\u683c\u4e2d\u7684\u884c\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>none | auto | max-content | min-content | length | initial | inherit;<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>grid-template-columns<\/code><\/span><span class=\"md-plain\">\uff08\u5b9a\u4e49\u7f51\u683c\u4e2d\u7684\u5217\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>none | auto | max-content | min-content | length | initial | inherit;<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>grid-template-areas<\/code><\/span><span class=\"md-plain\">\uff08\u6307\u5b9a\u5982\u4f55\u663e\u793a\u884c\u548c\u5217\uff0c\u4f7f\u7528\u7f51\u683c\u5143\u7d20\u7684\u540d\u79f0\u6765\u5e03\u5c40\u7f51\u683c\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>none | itemnames;<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>grid-auto-rows<\/code><\/span><span class=\"md-plain\">\uff08\u8bbe\u7f6e\u7f51\u683c\u5bb9\u5668\u4e2d\u884c\u7684\u9ed8\u8ba4\u5927\u5c0f\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>auto | max-content | min-content | length;<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>grid-auto-columns<\/code><\/span><span class=\"md-plain\">\uff08\u8bbe\u7f6e\u7f51\u683c\u5bb9\u5668\u4e2d\u5217\u7684\u9ed8\u8ba4\u5927\u5c0f\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>auto | max-content | min-content | length;<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>grid-auto-flow<\/code><\/span><span class=\"md-plain\">\uff08\u6307\u5b9a\u81ea\u52a8\u5e03\u5c40\u7b97\u6cd5\uff0c\u7cbe\u786e\u6307\u5b9a\u81ea\u52a8\u5e03\u5c40\u7684\u5143\u7d20\u6392\u5217\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>row | column | dense | row dense | column dense;<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>grid-gap<\/code><\/span><span class=\"md-plain\">\uff08\u540c\u65f6\u8bbe\u7f6e\u884c\u95f4\u8ddd\u548c\u5217\u95f4\u8ddd\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>grid-row-gap  grid-column-gap<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>grid-row-gap<\/code><\/span><span class=\"md-plain\">\uff08\u5b9a\u4e49\u7f51\u683c\u884c\u95f4\u8ddd\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>length | %<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>grid-column-gap<\/code><\/span><span class=\"md-plain\">\uff08\u5b9a\u4e49\u7f51\u683c\u5217\u95f4\u8ddd\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>length | %<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>grid-row<\/code><\/span><span class=\"md-plain\">\uff08\u540c\u65f6\u6307\u5b9a\u7f51\u683c\u5143\u7d20\u884c\u7ebf\u7684\u5f00\u59cb\u4f4d\u7f6e\u548c\u7ed3\u675f\u4f4d\u7f6e\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>grid-row-start \/ grid-row-end;<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>grid-area<\/code><\/span><span class=\"md-plain\">\uff08\u6307\u5b9a\u7f51\u683c\u5143\u7d20\u5728\u7f51\u683c\u5e03\u5c40\u4e2d\u7684\u5927\u5c0f\u548c\u4f4d\u7f6e\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>grid-row-start \/ grid-column-start \/ grid-row-end \/ grid-column-end | itemname;<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>grid-row-start<\/code><\/span><span class=\"md-plain\">\uff08\u6307\u5b9a\u7f51\u683c\u5143\u7d20\u884c\u7ebf\u7684\u5f00\u59cb\u4f4d\u7f6e\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>auto | row-line;<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>grid-row-end<\/code><\/span><span class=\"md-plain\">\uff08\u6307\u5b9a\u7f51\u683c\u5143\u7d20\u884c\u7ebf\u7684\u7ed3\u675f\u4f4d\u7f6e\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>auto | row-line | span n;<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>grid-column<\/code><\/span><span class=\"md-plain\">\uff08\u540c\u65f6\u6307\u5b9a\u7f51\u683c\u5143\u7d20\u5217\u7ebf\u7684\u5f00\u59cb\u4f4d\u7f6e\u548c\u7ed3\u675f\u4f4d\u7f6e\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>grid-column-start \/ grid-column-end;<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>grid-column-start<\/code><\/span><span class=\"md-plain\">\uff08\u6307\u5b9a\u7f51\u683c\u5143\u7d20\u5217\u7ebf\u7684\u5f00\u59cb\u4f4d\u7f6e\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>auto | span n | column-line;<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>grid-column-end<\/code><\/span><span class=\"md-plain\">\uff08\u6307\u5b9a\u7f51\u683c\u5143\u7d20\u5217\u7ebf\u7684\u7ed3\u675f\u4f4d\u7f6e\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>auto | span n | column-line;<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>justify-content<\/code><\/span><span class=\"md-plain\"> \uff08\u7528\u4e8e\u5bf9\u9f50\u5bb9\u5668\u5185\u7684\u7f51\u683c\uff0c\u8bbe\u7f6e\u5982\u4f55\u5206\u914d\u987a\u7740\u5f39\u6027\u5bb9\u5668\u4e3b\u8f74(\u6216\u8005\u7f51\u683c\u884c\u8f74) \u7684\u5143\u7d20\u4e4b\u95f4\u53ca\u5176\u5468\u56f4\u7684\u7a7a\u95f4\uff09\uff0c\u7f51\u683c\u7684\u603b\u5bbd\u5ea6\u5fc5\u987b\u5c0f\u4e8e\u5bb9\u5668\u7684\u5bbd\u5ea6\u624d\u80fd\u4f7f <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>justify-content<\/code><\/span><span class=\"md-plain\"> \u5c5e\u6027\u751f\u6548\u3002\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>align-content<\/code><\/span><span class=\"md-plain\">\uff08\u7528\u4e8e\u8bbe\u7f6e\u5782\u76f4\u65b9\u5411\u4e0a\u7684\u7f51\u683c\u5143\u7d20\u5728\u5bb9\u5668\u4e2d\u7684\u5bf9\u9f50\u65b9\u5f0f\uff09\uff0c\u7f51\u683c\u5143\u7d20\u7684\u603b\u9ad8\u5ea6\u5fc5\u987b\u5c0f\u4e8e\u5bb9\u5668\u7684\u9ad8\u5ea6\u624d\u80fd\u4f7f <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>align-content<\/code><\/span><span class=\"md-plain\"> \u5c5e\u6027\u751f\u6548\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<pre class=\"md-fences md-end-block ty-contain-cm modeLoaded\" lang=\"css\" spellcheck=\"false\"><span role=\"presentation\"><span class=\"cm-qualifier\">.grid-container<\/span> {<\/span>\r\n<span role=\"presentation\"> \u00a0 \u00a0<span class=\"cm-property\">display<\/span>: <span class=\"cm-atom\">grid<\/span>; \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0<span class=\"cm-comment\">\/* \u521b\u5efa\u7f51\u683c\u5bb9\u5668 *\/<\/span><\/span>\r\n<span role=\"presentation\"> \u00a0 \u00a0<span class=\"cm-property\">grid-template-columns<\/span>: <span class=\"cm-number\">1fr<\/span> <span class=\"cm-number\">2fr<\/span>; <span class=\"cm-comment\">\/* \u5217\u5bbd\u6bd4\u4f8b *\/<\/span><\/span>\r\n<span role=\"presentation\"> \u00a0 \u00a0<span class=\"cm-comment\">\/* grid-template-columns: repeat(3, 1fr);*\/<\/span> <span class=\"cm-comment\">\/* 3 \u5217\u7b49\u5bbd *\/<\/span><\/span>\r\n<span role=\"presentation\"> \u00a0 \u00a0<span class=\"cm-property cm-error\">gap<\/span>: <span class=\"cm-number\">10px<\/span>; \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <span class=\"cm-comment\">\/* \u7f51\u683c\u95f4\u9694 *\/<\/span><\/span>\r\n<span role=\"presentation\">}<\/span><\/pre>\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u53c2\u8003\u51fd\u6570<\/span><\/strong><\/span><span class=\"md-plain\">\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>repeat()<\/code><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>minmax()<\/code><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>fit-content()<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u76f8\u5173\u672f\u8bed<\/span><\/strong><\/span><span class=\"md-plain\">\uff1a\u7f51\u683c\uff08Grid\uff09\uff0c\u7f51\u683c\u7ebf\uff08Grid lines\uff09\uff0c\u7f51\u683c\u8f68\u9053\uff08Grid tracks\uff09\uff0c\u7f51\u683c\u5355\u5143\u683c\uff08Grid cell\uff09\uff0c\u7f51\u683c\u533a\u57df\uff08Grid areas\uff09\uff0c\u7f51\u683c\u95f4\u9699\uff08Gutters\uff09\uff0c\u7f51\u683c\u8f74\uff08Grid Axis\uff09\uff0c\u7f51\u683c\u884c\uff08Grid row\uff09\uff0c\u7f51\u683c\u5217\uff08Grid column\uff09\u3002<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5f39\u6027\u76d2\u5b50<\/span><\/strong><\/span><span class=\"md-plain\">\u548c<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u7f51\u683c\u5e03\u5c40<\/span><\/strong><\/span><span class=\"md-plain\">\u7684\u793a\u4f8b<\/span><\/p>\n<\/li>\n<\/ul>\n<pre class=\"md-fences md-end-block ty-contain-cm modeLoaded\" lang=\"css\" spellcheck=\"false\"><span role=\"presentation\"><span class=\"cm-comment\">\/* \u793a\u4f8b\uff1a\u5c45\u4e2d\u5143\u7d20 *\/<\/span><\/span>\r\n<span role=\"presentation\"><span class=\"cm-qualifier\">.container<\/span> {<\/span>\r\n<span role=\"presentation\"> \u00a0 \u00a0<span class=\"cm-property\">display<\/span>: <span class=\"cm-atom\">flex<\/span>;      <span class=\"cm-comment\">\/* \u4f20\u7edfflex\u65b9\u6848 *\/<\/span><\/span>\r\n<span role=\"presentation\"> \u00a0 \u00a0<span class=\"cm-property\">justify-content<\/span>: <span class=\"cm-atom\">center<\/span>;<\/span>\r\n<span role=\"presentation\"> \u00a0 \u00a0<span class=\"cm-property\">align-items<\/span>: <span class=\"cm-atom\">center<\/span>;<\/span>\r\n<span role=\"presentation\">}<\/span>\r\n<span role=\"presentation\">\u200b<\/span>\r\n<span role=\"presentation\"><span class=\"cm-qualifier\">.container<\/span> {<\/span>\r\n<span role=\"presentation\"> \u00a0 \u00a0<span class=\"cm-property\">display<\/span>: <span class=\"cm-atom\">grid<\/span>;          <span class=\"cm-comment\">\/* \u73b0\u4ee3grid\u65b9\u6848 *\/<\/span><\/span>\r\n<span role=\"presentation\"> \u00a0 \u00a0<span class=\"cm-property\">place-items<\/span>: <span class=\"cm-atom\">center<\/span>; <span class=\"cm-comment\">\/* \u4e00\u884c\u4ee3\u7801\u5b9e\u73b0\u5c45\u4e2d *\/<\/span><\/span>\r\n<span role=\"presentation\">}<\/span><\/pre>\n<h3 class=\"md-end-block md-heading\"><span class=\"md-plain\">4.3 \u54cd\u5e94\u5f0f\u8bbe\u8ba1<\/span><\/h3>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5a92\u4f53\u67e5\u8be2<\/span><\/strong><\/span><span class=\"md-plain\">\uff08Media Queries\uff09<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u4f7f\u7528<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>@media<\/code><\/span><span class=\"md-plain\">\u5a92\u4f53\u67e5\u8be2\uff0c\u9002\u914d\u4e0d\u540c\u8bbe\u5907\u5c3a\u5bf8\uff0c\u6839\u636e\u8bbe\u5907\u7279\u6027\uff08\u5982\u5c4f\u5e55\u5bbd\u5ea6\uff09\u5e94\u7528\u4e0d\u540c\u7684\u6837\u5f0f\uff0c\u9002\u914d\u4e0d\u540c\u7ec8\u7aef\uff08PC\/\u5e73\u677f\/\u624b\u673a\uff09\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<pre class=\"md-fences md-end-block ty-contain-cm modeLoaded\" lang=\"css\" spellcheck=\"false\"><span role=\"presentation\"><span class=\"cm-def\">@media<\/span> <span class=\"cm-attribute\">screen<\/span> <span class=\"cm-keyword\">and<\/span> (<span class=\"cm-property\">max-width<\/span>: <span class=\"cm-number\">768px<\/span>) { <span class=\"cm-comment\">\/* \u5c4f\u5e55\u5bbd\u5ea6\u5c0f\u4e8e768px\u65f6\u5e94\u7528 *\/<\/span><\/span>\r\n<span role=\"presentation\"> \u00a0 \u00a0<span class=\"cm-tag\">body<\/span> { <\/span>\r\n<span role=\"presentation\"> \u00a0 \u00a0 \u00a0 \u00a0<span class=\"cm-property\">font-size<\/span>: <span class=\"cm-number\">14px<\/span>; <\/span>\r\n<span role=\"presentation\"> \u00a0  }<\/span>\r\n<span role=\"presentation\"> \u00a0 \u00a0<span class=\"cm-qualifier\">.container<\/span> { <\/span>\r\n<span role=\"presentation\"> \u00a0 \u00a0 \u00a0 \u00a0<span class=\"cm-property\">flex-direction<\/span>: <span class=\"cm-atom\">column<\/span>; <\/span>\r\n<span role=\"presentation\"> \u00a0  }<\/span>\r\n<span role=\"presentation\">}<\/span><\/pre>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item md-focus-container\">\n<p class=\"md-end-block md-p md-focus\"><span class=\"md-plain md-expand\">\u591a\u5a92\u4f53\u7c7b\u578b<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">all\uff1a\u7528\u4e8e\u6240\u6709\u591a\u5a92\u4f53\u7c7b\u578b\u8bbe\u5907\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">print\uff1a\u7528\u4e8e\u6253\u5370\u673a\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">screen\uff1a\u7528\u4e8e\u7535\u8111\u5c4f\u5e55\uff0c\u5e73\u677f\uff0c\u667a\u80fd\u624b\u673a\u7b49\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">speech\uff1a\u7528\u4e8e\u5c4f\u5e55\u9605\u8bfb\u5668\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u591a\u5a92\u4f53\u67e5\u8be2\u8bed\u6cd5<\/span><\/p>\n<\/li>\n<\/ul>\n<pre class=\"md-fences md-end-block ty-contain-cm modeLoaded\" lang=\"css\" spellcheck=\"false\"><span role=\"presentation\"><span class=\"cm-def\">@media<\/span> <span class=\"cm-keyword\">not<\/span>|<span class=\"cm-keyword\">only<\/span> <span class=\"cm-error\">mediatype<\/span> <span class=\"cm-keyword\">and<\/span> (<span class=\"cm-error\">expressions<\/span>) {<\/span>\r\n<span role=\"presentation\"> \u00a0 \u00a0<span class=\"cm-tag\">CSS<\/span> \u4ee3\u7801...;<\/span>\r\n<span role=\"presentation\">}<\/span>\r\n<span role=\"presentation\"><span class=\"cm-comment\">\/* not: not\u662f\u7528\u6765\u6392\u9664\u6389\u67d0\u4e9b\u7279\u5b9a\u7684\u8bbe\u5907\u7684\u3002 *\/<\/span><\/span>\r\n<span role=\"presentation\"><span class=\"cm-comment\">\/* only: \u7528\u6765\u5b9a\u67d0\u79cd\u7279\u522b\u7684\u5a92\u4f53\u7c7b\u578b\u3002 *\/<\/span><\/span><\/pre>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u5728\u4e0d\u540c\u7684\u5a92\u4f53\u4e0a\u4f7f\u7528\u4e0d\u540c\u7684\u6837\u5f0f\u6587\u4ef6<\/span><\/p>\n<\/li>\n<\/ul>\n<pre class=\"md-fences md-end-block ty-contain-cm modeLoaded\" lang=\"html\" spellcheck=\"false\"><span role=\"presentation\"><span class=\"cm-tag cm-bracket\">&lt;<\/span><span class=\"cm-tag\">link<\/span> <span class=\"cm-attribute\">rel<\/span>=<span class=\"cm-string\">\"stylesheet\"<\/span> <span class=\"cm-attribute\">media<\/span>=<span class=\"cm-string\">\"mediatype and|not|only (expressions)\"<\/span> <span class=\"cm-attribute\">href<\/span>=<span class=\"cm-string\">\"select.css\"<\/span><span class=\"cm-tag cm-bracket\">&gt;<\/span><\/span><\/pre>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u89c6\u53e3\u5355\u4f4d<\/span><\/strong><\/span><span class=\"md-plain\">\uff08Viewport Units\uff09<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>vw<\/code><\/span><span class=\"md-plain\">\uff08\u89c6\u53e3\u5bbd\u5ea6\uff09\uff08\u89c6\u53e3\u5bbd\u5ea6\u7684\u767e\u5206\u6bd4\uff09\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>vh<\/code><\/span><span class=\"md-plain\">\uff08\u89c6\u53e3\u9ad8\u5ea6\uff09\uff08\u89c6\u53e3\u9ad8\u5ea6\u7684\u767e\u5206\u6bd4\uff09\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<div class=\"md-hr md-end-block\" tabindex=\"-1\">\n<hr \/>\n<\/div>\n<h2 class=\"md-end-block md-heading\"><span class=\"md-plain\">5 \u5e38\u7528 CSS \u6837\u5f0f<\/span><\/h2>\n<h3 class=\"md-end-block md-heading\"><span class=\"md-plain\">5.1 \u6587\u672c\u76f8\u5173\u6837\u5f0f<\/span><\/h3>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>color<\/code><\/span><span class=\"md-plain\">\uff08\u989c\u8272\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>red | #ff0000 | rgb(255,0,0) | rgba(255,0,0,0.5)<\/code><\/span><span class=\"md-plain\"> \u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>font-size<\/code><\/span><span class=\"md-plain\">\uff08\u5b57\u53f7\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>14px | 1em | 2rem | 100%<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>font-weight<\/code><\/span><span class=\"md-plain\">\uff08\u5b57\u91cd\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>normal | light | bold | 500<\/code><\/span><span class=\"md-plain\"> \u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>font-style<\/code><\/span><span class=\"md-plain\">\uff08\u5b57\u4f53\u6837\u5f0f\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>normal | italic | oblique<\/code><\/span><span class=\"md-plain\"> \u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>font-family<\/code><\/span><span class=\"md-plain\">\uff08\u5b57\u4f53\u7c7b\u578b\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>\"\u9ed1\u4f53\", \"\u5b8b\u4f53\", \"Microsoft Yahei\", \"Times New Roman\"<\/code><\/span><span class=\"md-plain\"> \u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>direction<\/code><\/span><span class=\"md-plain\">\uff08\u6587\u672c\u65b9\u5411\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>ltr | rtl | inherit<\/code><\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>unicode-bidi<\/code><\/span><span class=\"md-plain\">\uff08\u6587\u672c\u662f\u5426\u88ab\u91cd\u5199\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>normal | embed | bidi-override | initial | inherit<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>text-transform<\/code><\/span><span class=\"md-plain\">\uff08\u6587\u672c\u8f6c\u6362\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>uppercase | lowercase | capitalize<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>text-decoration<\/code><\/span><span class=\"md-plain\">\uff08\u6587\u672c\u88c5\u9970\u7ebf\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>none | underline | overline | line-through<\/code><\/span><span class=\"md-plain\"> \u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>text-indent<\/code><\/span><span class=\"md-plain\">\uff08\u6587\u672c\u7f29\u8fdb\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>16px | 2em | 1rem<\/code><\/span><span class=\"md-plain\"> \u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>text-shadow<\/code><\/span><span class=\"md-plain\">\uff08\u6587\u672c\u9634\u5f71\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>h-shadow v-shadow blur color<\/code><\/span><span class=\"md-plain\">;<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>text-align<\/code><\/span><span class=\"md-plain\">\uff08\u6587\u672c\u6c34\u5e73\u5bf9\u9f50\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>left | center | right | justify<\/code><\/span><span class=\"md-plain\"> \u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>vertical-align<\/code><\/span><span class=\"md-plain\">\uff08\u975e\u5757\u7ea7\u5143\u7d20\u5782\u76f4\u5bf9\u9f50\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>top | middle | bottom<\/code><\/span><span class=\"md-plain\"> \u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>line-height<\/code><\/span><span class=\"md-plain\">\uff08\u6587\u672c\u884c\u9ad8\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>16px | 32px<\/code><\/span><span class=\"md-plain\"> \u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>letter-spacing<\/code><\/span><span class=\"md-plain\">\uff08\u5b57\u7b26\u95f4\u8ddd\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>2px | -2px<\/code><\/span><span class=\"md-plain\"> \u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>word-spacing<\/code><\/span><span class=\"md-plain\">\uff08\u5b57\u95f4\u8ddd\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>12px | 22px<\/code><\/span><span class=\"md-plain\"> \u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>white-space<\/code><\/span><span class=\"md-plain\">\uff08\u5143\u7d20\u5185\u7a7a\u767d\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>pre | pre-line | pre-wrap | nowrap<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<h3 class=\"md-end-block md-heading\"><span class=\"md-plain\">5.2 \u76d2\u6a21\u578b\u76f8\u5173\u6837\u5f0f<\/span><\/h3>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>content<\/code><\/span><span class=\"md-plain\">\uff08\u5185\u5bb9\uff09\uff0c\u7528\u4e8e\u5728\u5143\u7d20\u7684 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>::before<\/code><\/span><span class=\"md-plain\">\u548c <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>::after<\/code><\/span><span class=\"md-plain\">\u4f2a\u5143\u7d20\u4e2d\u63d2\u5165\u5185\u5bb9\u3002\u4f7f\u7528 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>content<\/code><\/span><span class=\"md-plain\"> \u5c5e\u6027\u63d2\u5165\u7684\u5185\u5bb9\u90fd\u662f\u533f\u540d\u7684<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u53ef\u66ff\u6362\u5143\u7d20<\/span><\/strong><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>padding<\/code><\/span><span class=\"md-plain\">\uff08\u5185\u8fb9\u8ddd\uff09\uff0c\u8be5\u5c5e\u6027\u4e3a\u7ed9\u5b9a\u5143\u7d20\u8bbe\u7f6e\u6240\u6709\u56db\u4e2a\uff08\u4e0a\u53f3\u4e0b\u5de6\uff09\u65b9\u5411\u7684\u5185\u8fb9\u8ddd\u5c5e\u6027\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5355\u4e2a<\/span><\/strong><\/span><span class=\"md-plain\">\u8bbe\u7f6e\u503c\u4f1a\u7edf\u4e00\u5e94\u7528\u4e8e\uff08<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u6240\u6709\u8fb9<\/span><\/strong><\/span><span class=\"md-plain\">\uff09\uff0c<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u4e24\u4e2a<\/span><\/strong><\/span><span class=\"md-plain\">\u8bbe\u7f6e\u503c\u5219\u5e94\u7528\u4e8e\uff08<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u4e0a\u8fb9\u4e0b\u8fb9<\/span><\/strong><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5de6\u8fb9\u53f3\u8fb9<\/span><\/strong><\/span><span class=\"md-plain\">\uff09\uff0c<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u4e09\u4e2a<\/span><\/strong><\/span><span class=\"md-plain\">\u8bbe\u7f6e\u503c\u5219\u5e94\u7528\u4e8e\uff08<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u4e0a\u8fb9<\/span><\/strong><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5de6\u8fb9\u53f3\u8fb9<\/span><\/strong><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u4e0b\u8fb9<\/span><\/strong><\/span><span class=\"md-plain\">\uff09\uff0c<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u56db\u4e2a<\/span><\/strong><\/span><span class=\"md-plain\">\u8bbe\u7f6e\u503c\u5219\u5206\u522b\u6309\uff08\u987a\u65f6\u9488\u65b9\u5411\uff09\u5e94\u7528\u4e8e\uff08<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u4e0a\u8fb9<\/span><\/strong><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u53f3\u8fb9<\/span><\/strong><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u4e0b\u8fb9<\/span><\/strong><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5de6\u8fb9<\/span><\/strong><\/span><span class=\"md-plain\">\uff09\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>padding<\/code><\/span><span class=\"md-plain\">\uff08\u5185\u8fb9\u8ddd\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>length | %<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>padding<\/code><\/span><span class=\"md-plain\">\uff08\u5185\u8fb9\u8ddd\uff09\u53ef\u7ec6\u5206\u4e3a\uff1a<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>padding-top<\/code><\/span><span class=\"md-plain\">\uff08\u4e0a\u65b9\u5185\u8fb9\u8ddd\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>length | %<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>padding-right<\/code><\/span><span class=\"md-plain\">\uff08\u53f3\u65b9\u5185\u8fb9\u8ddd\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>length | %<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>padding-bottom<\/code><\/span><span class=\"md-plain\">\uff08\u4e0b\u65b9\u5185\u8fb9\u8ddd\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>length | %<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>padding-left<\/code><\/span><span class=\"md-plain\">\uff08\u5de6\u65b9\u5185\u8fb9\u8ddd\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>length | %<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>border<\/code><\/span><span class=\"md-plain\">\uff08\u8fb9\u6846\uff09\uff0c\u8be5\u5c5e\u6027\u6700\u591a\u53ea\u63a5\u53d7\u4e09\u4e2a\u53c2\u6570\uff0c\u5206\u522b\u662f<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5bbd\u5ea6<\/span><\/strong><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u98ce\u683c<\/span><\/strong><\/span><span class=\"md-plain\">\u548c<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u989c\u8272<\/span><\/strong><\/span><span class=\"md-plain\">\uff0c\u8fd9\u6837\u4f1a\u4f7f\u5f97\u56db\u6761\u8fb9\u7684\u8fb9\u6846\u76f8\u540c\u3002\u4e5f\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e2a\uff0c\u4e24\u4e2a\u6216\u4e09\u4e2a\u503c\u6765\u6307\u5b9a <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>border<\/code><\/span><span class=\"md-plain\"> \u5c5e\u6027\uff0c\u503c\u7684\u987a\u5e8f\u65e0\u5173\u7d27\u8981\u3002\uff08\u53ef\u6309\u56db\u8fb9\u5206\u4e3a <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>border-top<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>border-right<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>border-bottom<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>border-left<\/code><\/span><span class=\"md-plain\">\uff09\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>border<\/code><\/span><span class=\"md-plain\">\uff08\u8fb9\u6846\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>border-width  border-style  border-color<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u53ef\u7ec6\u5206\u4e3a\uff1a<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>border-width<\/code><\/span><span class=\"md-plain\">\uff1a\u8fb9\u6846<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5bbd\u5ea6<\/span><\/strong><\/span><span class=\"md-plain\">\u3002\uff08\u652f\u6301\u5355\u503c\u3001\u53cc\u503c\u3001\u4e09\u503c\u3001\u56db\u503c\u5206\u522b\u8bbe\u7f6e\u56db\u4e2a\u8fb9\uff0c\u4e5f\u53ef\u6309\u56db\u8fb9\u5206\u4e3a <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>border-top-width<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>border-right-width<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>border-bottom-width<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>border-left-width<\/code><\/span><span class=\"md-plain\">\uff09\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>border-width<\/code><\/span><span class=\"md-plain\">\uff08\u8fb9\u6846<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5bbd\u5ea6<\/span><\/strong><\/span><span class=\"md-plain\">\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>thin | medium | thick | length<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u503c\u4e3a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>thin<\/code><\/span><span class=\"md-plain\">\uff1a\u5b9a\u4e49\u7ec6\u7684\u8fb9\u6846\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u503c\u4e3a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>medium<\/code><\/span><span class=\"md-plain\">\uff1a\u5b9a\u4e49\u4e2d\u7b49\u7c97\u7ec6\u7684\u8fb9\u6846\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u503c\u4e3a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>thick<\/code><\/span><span class=\"md-plain\">\uff1a\u5b9a\u4e49\u7c97\u7684\u8fb9\u6846\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u503c\u4e3a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>length<\/code><\/span><span class=\"md-plain\">\uff1a\u81ea\u5b9a\u4e49\u8fb9\u6846\u7684\u7c97\u7ec6\u5bbd\u5ea6\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>border-style<\/code><\/span><span class=\"md-plain\">\uff1a\u8fb9\u6846<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u98ce\u683c<\/span><\/strong><\/span><span class=\"md-plain\">\u3002\uff08\u652f\u6301\u5355\u503c\u3001\u53cc\u503c\u3001\u4e09\u503c\u3001\u56db\u503c\u5206\u522b\u8bbe\u7f6e\u56db\u4e2a\u8fb9\uff0c\u4e5f\u53ef\u6309\u56db\u8fb9\u5206\u4e3a <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>border-top-style<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>border-right-style<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>border-bottom-style<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>border-left-style<\/code><\/span><span class=\"md-plain\">\uff09\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>outline-style<\/code><\/span><span class=\"md-plain\">\uff08\u8fb9\u6846<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u98ce\u683c<\/span><\/strong><\/span><span class=\"md-plain\">\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>none | dotted | dashed | solid | double | groove | ridge | inset | outset<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u503c\u4e3a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>none<\/code><\/span><span class=\"md-plain\">\uff1a\u548c\u5173\u952e\u5b57 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>hidden<\/code><\/span><span class=\"md-plain\"> \u7c7b\u4f3c\uff0c\u4e0d\u663e\u793a\u8fb9\u6846\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u503c\u4e3a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>hidden<\/code><\/span><span class=\"md-plain\">\uff1a\u548c\u5173\u952e\u5b57 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>none<\/code><\/span><span class=\"md-plain\"> \u7c7b\u4f3c\uff0c\u4e0d\u663e\u793a\u8fb9\u6846\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u503c\u4e3a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>dotted<\/code><\/span><span class=\"md-plain\">\uff1a\u663e\u793a\u4e3a\u4e00\u7cfb\u5217\u5706\u70b9\uff0c\u5706\u70b9\u534a\u5f84\u662f <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>border-width<\/code><\/span><span class=\"md-plain\">\u8ba1\u7b97\u503c\u7684\u4e00\u534a\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u503c\u4e3a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>dashed<\/code><\/span><span class=\"md-plain\">\uff1a\u663e\u793a\u4e3a\u4e00\u7cfb\u5217\u77ed\u7684\u65b9\u5f62\u865a\u7ebf\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u503c\u4e3a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>solid<\/code><\/span><span class=\"md-plain\">\uff1a\u663e\u793a\u4e3a\u4e00\u6761\u5b9e\u7ebf\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u503c\u4e3a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>double<\/code><\/span><span class=\"md-plain\">\uff1a\u663e\u793a\u4e3a\u4e00\u6761\u53cc\u5b9e\u7ebf\uff0c\u5bbd\u5ea6\u662f <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>border-width<\/code><\/span><span class=\"md-plain\"> \u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u503c\u4e3a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>groove<\/code><\/span><span class=\"md-plain\">\uff1a\u663e\u793a\u4e3a\u4e09\u7ef4\u6c9f\u69fd\u96d5\u523b\u6548\u679c\u7684\u8fb9\u6846\uff0c\u6837\u5f0f\u4e0e <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>ridge<\/code><\/span><span class=\"md-plain\"> \u76f8\u53cd\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u503c\u4e3a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>ridge<\/code><\/span><span class=\"md-plain\">\uff1a\u663e\u793a\u4e3a\u4e09\u7ef4\u810a\u72b6\u6d6e\u96d5\u6548\u679c\u7684\u8fb9\u6846\uff0c\u6837\u5f0f\u4e0e <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>groove<\/code><\/span><span class=\"md-plain\"> \u76f8\u53cd\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u503c\u4e3a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>inset<\/code><\/span><span class=\"md-plain\">\uff1a\u663e\u793a\u4e3a\u4e09\u7ef4\u5d4c\u5165\u6548\u679c\u7684\u8fb9\u6846\uff0c\u6837\u5f0f\u4e0e <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>outset<\/code><\/span><span class=\"md-plain\"> \u76f8\u53cd\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u503c\u4e3a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>outset<\/code><\/span><span class=\"md-plain\">\uff1a\u663e\u793a\u4e3a\u4e09\u7ef4\u7a81\u51fa\u6548\u679c\u7684\u8fb9\u6846\uff0c\u6837\u5f0f\u4e0e <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>inset<\/code><\/span><span class=\"md-plain\"> \u76f8\u53cd\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>border-color<\/code><\/span><span class=\"md-plain\">\uff1a\u8fb9\u6846<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u989c\u8272<\/span><\/strong><\/span><span class=\"md-plain\">\u3002\uff08\u652f\u6301\u5355\u503c\u3001\u53cc\u503c\u3001\u4e09\u503c\u3001\u56db\u503c\u5206\u522b\u8bbe\u7f6e\u56db\u4e2a\u8fb9\uff0c\u4e5f\u53ef\u6309\u56db\u8fb9\u5206\u4e3a <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>border-top-color<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>border-right-color<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>border-bottom-color<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>border-left-color<\/code><\/span><span class=\"md-plain\">\uff09\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>border-color<\/code><\/span><span class=\"md-plain\">\uff08\u8fb9\u6846<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u989c\u8272<\/span><\/strong><\/span><span class=\"md-plain\">\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>color-name | hex-number | rgb-number | transparent<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u503c\u4e3a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>color<\/code><\/span><span class=\"md-plain\">\uff1a\u6307\u5b9a\u80cc\u666f\u989c\u8272\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u503c\u4e3a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>transparent<\/code><\/span><span class=\"md-plain\">\uff1a\u6307\u5b9a\u8fb9\u6846\u7684\u989c\u8272\u662f\u900f\u660e\u7684\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>border-radius<\/code><\/span><span class=\"md-plain\">\uff1a\u8fb9\u6846<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5706\u89d2<\/span><\/strong><\/span><span class=\"md-plain\">\u3002\uff08\u652f\u6301\u5355\u503c\u3001\u53cc\u503c\u3001\u4e09\u503c\u3001\u56db\u503c\u5206\u522b\u8bbe\u7f6e\u56db\u4e2a\u89d2\uff0c\u4e5f\u53ef\u6309\u56db\u89d2\u5206\u4e3a <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>border-top-left-radius<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>border-top-right-radius<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>border-bottom-right-radius<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>border-bottom-left-radius<\/code><\/span><span class=\"md-plain\">\uff09\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>border-radius<\/code><\/span><span class=\"md-plain\">\uff08\u8fb9\u6846\u5706\u89d2\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>(1-4\u4e2a length | %) \/ (1-4\u4e2a length | %)<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5355\u503c\u8bed\u6cd5<\/span><\/strong><\/span><span class=\"md-plain\">\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>border-radius: length|%<\/code><\/span><span class=\"md-plain\">\uff0c\u8fd9\u4e00\u4e2a\u503c\u8868\u793a\u6240\u6709\u7684\u8fb9\u6846\u5bbd\u5ea6\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u53cc\u503c\u8bed\u6cd5\uff1a<\/span><\/strong><\/span> <span class=\"md-pair-s\" spellcheck=\"false\"><code>border-radius: length|%  length|%<\/code><\/span><span class=\"md-plain\">\uff0c\u7b2c\u4e00\u4e2a\u503c\u8868\u793a top-left \u548c bottom-right \u65b9\u5411\u7684\u89d2\uff1b\u7b2c\u4e8c\u4e2a\u503c\u8868\u793a top-right \u548c bottom-left \u65b9\u5411\u7684\u89d2\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u4e09\u503c\u8bed\u6cd5<\/span><\/strong><\/span><span class=\"md-plain\">\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>border-radius: length|%  length|%  length|%<\/code><\/span><span class=\"md-plain\">\uff0c\u7b2c\u4e00\u4e2a\u503c\u8868\u793a top-left \u65b9\u5411\u7684\u89d2\uff0c\u7b2c\u4e8c\u4e2a\u503c\u8868\u793a top-right \u548c bottom-left \u65b9\u5411\u7684\u89d2\uff0c\u7b2c\u4e09\u4e2a\u503c\u8868\u793a bottom-right \u65b9\u5411\u7684\u89d2\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u56db\u503c\u8bed\u6cd5<\/span><\/strong><\/span><span class=\"md-plain\">\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>border-radius: length|%  length|%  length|%  length|%<\/code><\/span><span class=\"md-plain\">\uff0c\u8fd9\u56db\u4e2a\u503c\u5206\u522b\u8868\u793a top-left\u3001top-right\u3001bottom-right\u3001bottom-left\uff0c\u5373\u4ece top-left \u5f00\u59cb\u7684\u987a\u65f6\u9488\u987a\u5e8f\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>margin<\/code><\/span><span class=\"md-plain\">\uff08\u5916\u8fb9\u8ddd\uff09\uff0c\u8be5\u5c5e\u6027\u4e3a\u7ed9\u5b9a\u5143\u7d20\u8bbe\u7f6e\u6240\u6709\u56db\u4e2a\uff08\u4e0a\u53f3\u4e0b\u5de6\uff09\u65b9\u5411\u7684\u5916\u8fb9\u8ddd\u5c5e\u6027\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5355\u4e2a<\/span><\/strong><\/span><span class=\"md-plain\">\u8bbe\u7f6e\u503c\u4f1a\u7edf\u4e00\u5e94\u7528\u4e8e\uff08<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u6240\u6709\u8fb9<\/span><\/strong><\/span><span class=\"md-plain\">\uff09\uff0c<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u4e24\u4e2a<\/span><\/strong><\/span><span class=\"md-plain\">\u8bbe\u7f6e\u503c\u5219\u5e94\u7528\u4e8e\uff08<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u4e0a\u8fb9\u4e0b\u8fb9<\/span><\/strong><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5de6\u8fb9\u53f3\u8fb9<\/span><\/strong><\/span><span class=\"md-plain\">\uff09\uff0c<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u4e09\u4e2a<\/span><\/strong><\/span><span class=\"md-plain\">\u8bbe\u7f6e\u503c\u5219\u5e94\u7528\u4e8e\uff08<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u4e0a\u8fb9<\/span><\/strong><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5de6\u8fb9\u53f3\u8fb9<\/span><\/strong><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u4e0b\u8fb9<\/span><\/strong><\/span><span class=\"md-plain\">\uff09\uff0c<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u56db\u4e2a<\/span><\/strong><\/span><span class=\"md-plain\">\u8bbe\u7f6e\u503c\u5219\u5206\u522b\u6309\uff08\u987a\u65f6\u9488\u65b9\u5411\uff09\u5e94\u7528\u4e8e\uff08<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u4e0a\u8fb9<\/span><\/strong><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u53f3\u8fb9<\/span><\/strong><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u4e0b\u8fb9<\/span><\/strong><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5de6\u8fb9<\/span><\/strong><\/span><span class=\"md-plain\">\uff09\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>margin<\/code><\/span><span class=\"md-plain\">\uff08\u5916\u8fb9\u8ddd\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>auto | length | %<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>margin<\/code><\/span><span class=\"md-plain\">\uff08\u5916\u8fb9\u8ddd\uff09\u53ef\u7ec6\u5206\u4e3a\uff1a<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>margin-top<\/code><\/span><span class=\"md-plain\">\uff08\u4e0a\u65b9\u5916\u8fb9\u8ddd\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>auto | length | %<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>margin-right<\/code><\/span><span class=\"md-plain\">\uff08\u53f3\u65b9\u5916\u8fb9\u8ddd\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>auto | length | %<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>margin-bottom<\/code><\/span><span class=\"md-plain\">\uff08\u4e0b\u65b9\u5916\u8fb9\u8ddd\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>auto | length | %<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>margin-left<\/code><\/span><span class=\"md-plain\">\uff08\u5de6\u65b9\u5916\u8fb9\u8ddd\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>auto | length | %<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>outline<\/code><\/span><span class=\"md-plain\">\uff08\u8f6e\u5ed3\uff09\uff0c\u7ed8\u5236\u4e8e\u5143\u7d20\u5468\u56f4\u7684\u4e00\u6761\u7ebf\uff0c\u4f4d\u4e8e\u8fb9\u6846\u8fb9\u7f18\u7684\u5916\u56f4\uff0c\u53ef\u8d77\u5230\u7a81\u51fa\u5143\u7d20\u7684\u4f5c\u7528\u3002\u53ef\u6309\u987a\u5e8f\u8bbe\u7f6e\uff08<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>outline-color outline-style outline-width<\/code><\/span><span class=\"md-plain\">\uff09<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u53ef\u7ec6\u5206\u4e3a\uff1a<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>outline-color<\/code><\/span><span class=\"md-plain\">\uff08\u8f6e\u5ed3\u7684\u989c\u8272\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>color-name | hex-number | rgb-number | invert<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>outline-style<\/code><\/span><span class=\"md-plain\">\uff08\u8f6e\u5ed3\u7684\u6837\u5f0f\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>none | dotted | dashed | solid | double | groove | ridge | inset | outset<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>outline-width<\/code><\/span><span class=\"md-plain\">\uff08\u8f6e\u5ed3\u7684\u5bbd\u5ea6\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>thin | medium | thick | length<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>box-shadow<\/code><\/span><span class=\"md-plain\">\uff08\u9634\u5f71\uff09\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>width<\/code><\/span><span class=\"md-plain\">\uff08\u5bbd\u5ea6\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>100px | 1em | 2rem<\/code><\/span><span class=\"md-plain\"> \u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>height<\/code><\/span><span class=\"md-plain\">\uff08\u9ad8\u5ea6\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>100px | 1em | 2rem<\/code><\/span><span class=\"md-plain\"> \u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<h3 class=\"md-end-block md-heading\"><span class=\"md-plain\">5.3 \u663e\u793a\u76f8\u5173\u6837\u5f0f<\/span><\/h3>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>display<\/code><\/span><span class=\"md-plain\">\uff08\u663e\u793a\uff09\u7528\u4e8e\u8bbe\u7f6e\u5143\u7d20\u662f<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5757\u7ea7<\/span><\/strong><\/span><span class=\"md-plain\">\u76d2\u5b50\uff08\u5360\u7528\u6574\u884c\uff09\u6216\u662f<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u884c\u7ea7<\/span><\/strong><\/span><span class=\"md-plain\">\u76d2\u5b50\uff08\u4ec5\u9700\u5fc5\u8981\u5bbd\u5ea6\uff0c\u4e0d\u5f3a\u5236\u6362\u884c\uff09\u3002<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>display<\/code><\/span><span class=\"md-plain\"> \u4e5f\u53ef\u7528\u4e8e\u8bbe\u7f6e\u5b50\u5143\u7d20\u7684\u5e03\u5c40\uff0c\u4f8b\u5982\uff1a<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u6587\u6863\u6d41\u5f0f\u5e03\u5c40<\/span><\/strong><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5f39\u6027\u76d2\u5b50\u5e03\u5c40<\/span><\/strong><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u7f51\u683c\u5e03\u5c40<\/span><\/strong><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>display<\/code><\/span><span class=\"md-plain\">\uff08\u663e\u793a\uff09\u7528\u4e8e\u8bbe\u7f6e\u4e00\u4e2a\u5143\u7d20\u5e94\u5982\u4f55\u663e\u793a\uff0c<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>display:none;<\/code><\/span><span class=\"md-plain\">\u53ef\u4ee5\u9690\u85cf\u67d0\u4e2a\u5143\u7d20\uff0c\u4e14\u9690\u85cf\u7684\u5143\u7d20\u4e0d\u4f1a\u5360\u7528\u4efb\u4f55\u7a7a\u95f4\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>visibility<\/code><\/span><span class=\"md-plain\">\uff08\u53ef\u89c1\u6027\uff09\u7528\u4e8e\u6307\u5b9a\u4e00\u4e2a\u5143\u7d20\u53ef\u89c1\u6216\u9690\u85cf\u3002<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>visibility:hidden;<\/code><\/span><span class=\"md-plain\">\u53ef\u4ee5\u9690\u85cf\u5143\u7d20\uff0c\u4f46\u9690\u85cf\u7684\u5143\u7d20\u4ecd\u9700\u5360\u7528\u4e0e\u672a\u9690\u85cf\u4e4b\u524d\u4e00\u6837\u7684\u7a7a\u95f4\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<pre class=\"md-fences md-end-block ty-contain-cm modeLoaded\" lang=\"css\" spellcheck=\"false\"><span role=\"presentation\"><span class=\"cm-comment\">\/* \u9884\u7ec4\u5408\u503c *\/<\/span><\/span>\r\n<span role=\"presentation\"><span class=\"cm-tag\">display<\/span>: <span class=\"cm-variable-3\">block<\/span>; <span class=\"cm-comment\">\/* \u5757\u7ea7 *\/<\/span><\/span>\r\n<span role=\"presentation\"><span class=\"cm-tag\">display<\/span>: <span class=\"cm-variable-3\">inline<\/span>; <span class=\"cm-comment\">\/* \u884c\u5185 *\/<\/span><\/span>\r\n<span role=\"presentation\"><span class=\"cm-tag\">display<\/span>: <span class=\"cm-variable-3\">inline-block<\/span>; <span class=\"cm-comment\">\/* \u884c\u5185\u5757 *\/<\/span><\/span>\r\n<span role=\"presentation\"><span class=\"cm-tag\">display<\/span>: <span class=\"cm-variable-3\">flex<\/span>; <span class=\"cm-comment\">\/* \u5f39\u6027\u76d2\u5b50 *\/<\/span><\/span>\r\n<span role=\"presentation\"><span class=\"cm-tag\">display<\/span>: <span class=\"cm-variable-3\">inline-flex<\/span>;<\/span>\r\n<span role=\"presentation\"><span class=\"cm-tag\">display<\/span>: <span class=\"cm-variable-3\">grid<\/span>; <span class=\"cm-comment\">\/* \u7f51\u683c\u5e03\u5c40 *\/<\/span><\/span>\r\n<span role=\"presentation\"><span class=\"cm-tag\">display<\/span>: <span class=\"cm-variable-3\">inline-grid<\/span>;<\/span>\r\n<span role=\"presentation\"><span class=\"cm-tag\">display<\/span>: <span class=\"cm-variable-3\">flow-root<\/span>;<\/span>\r\n<span role=\"presentation\">\u200b<\/span>\r\n<span role=\"presentation\"><span class=\"cm-comment\">\/* \u751f\u6210\u76d2\u5b50 *\/<\/span><\/span>\r\n<span role=\"presentation\"><span class=\"cm-tag\">display<\/span>: <span class=\"cm-variable-3\">none<\/span>;<\/span>\r\n<span role=\"presentation\"><span class=\"cm-tag\">display<\/span>: <span class=\"cm-variable-3\">contents<\/span>;<\/span>\r\n<span role=\"presentation\">\u200b<\/span>\r\n<span role=\"presentation\"><span class=\"cm-comment\">\/* \u591a\u5173\u952e\u5b57\u8bed\u6cd5 *\/<\/span><\/span>\r\n<span role=\"presentation\"><span class=\"cm-tag\">display<\/span>: <span class=\"cm-variable-3\">block<\/span> <span class=\"cm-tag\">flex<\/span>;<\/span>\r\n<span role=\"presentation\"><span class=\"cm-tag\">display<\/span>: <span class=\"cm-variable-3\">block<\/span> <span class=\"cm-tag\">flow<\/span>;<\/span>\r\n<span role=\"presentation\"><span class=\"cm-tag\">display<\/span>: <span class=\"cm-variable-3\">block<\/span> <span class=\"cm-tag\">flow-root<\/span>;<\/span>\r\n<span role=\"presentation\"><span class=\"cm-tag\">display<\/span>: <span class=\"cm-variable-3\">block<\/span> <span class=\"cm-tag\">grid<\/span>;<\/span>\r\n<span role=\"presentation\"><span class=\"cm-tag\">display<\/span>: <span class=\"cm-variable-3\">inline<\/span> <span class=\"cm-tag\">flex<\/span>;<\/span>\r\n<span role=\"presentation\"><span class=\"cm-tag\">display<\/span>: <span class=\"cm-variable-3\">inline<\/span> <span class=\"cm-tag\">flow<\/span>;<\/span>\r\n<span role=\"presentation\"><span class=\"cm-tag\">display<\/span>: <span class=\"cm-variable-3\">inline<\/span> <span class=\"cm-tag\">flow-root<\/span>;<\/span>\r\n<span role=\"presentation\"><span class=\"cm-tag\">display<\/span>: <span class=\"cm-variable-3\">inline<\/span> <span class=\"cm-tag\">grid<\/span>;<\/span>\r\n<span role=\"presentation\">\u200b<\/span>\r\n<span role=\"presentation\"><span class=\"cm-comment\">\/* \u5176\u4ed6\u503c *\/<\/span><\/span>\r\n<span role=\"presentation\"><span class=\"cm-tag\">display<\/span>: <span class=\"cm-variable-3\">table<\/span>;<\/span>\r\n<span role=\"presentation\"><span class=\"cm-tag\">display<\/span>: <span class=\"cm-variable-3\">table-row<\/span>; <span class=\"cm-comment\">\/* \u6240\u6709\u7684 table \u5143\u7d20 \u90fd\u6709\u7b49\u6548\u7684 CSS display \u503c *\/<\/span><\/span>\r\n<span role=\"presentation\"><span class=\"cm-tag\">display<\/span>: <span class=\"cm-variable-3\">list-item<\/span>;<\/span>\r\n<span role=\"presentation\">\u200b<\/span>\r\n<span role=\"presentation\"><span class=\"cm-comment\">\/* \u5168\u5c40\u503c *\/<\/span><\/span>\r\n<span role=\"presentation\"><span class=\"cm-tag\">display<\/span>: <span class=\"cm-variable-3\">inherit<\/span>;<\/span>\r\n<span role=\"presentation\"><span class=\"cm-tag\">display<\/span>: <span class=\"cm-variable-3\">initial<\/span>;<\/span>\r\n<span role=\"presentation\"><span class=\"cm-tag\">display<\/span>: <span class=\"cm-variable-3\">revert<\/span>;<\/span>\r\n<span role=\"presentation\"><span class=\"cm-tag\">display<\/span>: <span class=\"cm-variable-3\">revert-layer<\/span>;<\/span>\r\n<span role=\"presentation\"><span class=\"cm-tag\">display<\/span>: <span class=\"cm-variable-3\">unset<\/span>;<\/span><\/pre>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u5173\u952e\u503c\u53ef\u4ee5\u88ab\u5206\u7ec4\u4e3a\u516d\u4e2a\u79cd\u7c7b\uff1a<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>display-outside<\/code><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5916\u90e8\u8868\u73b0<\/span><\/strong><\/span><span class=\"md-plain\">\uff0c\u89c4\u5b9a\u5143\u7d20\u7684\u5916\u90e8\u663e\u793a\u7c7b\u578b\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>display-inside<\/code><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5185\u90e8\u8868\u73b0<\/span><\/strong><\/span><span class=\"md-plain\">\uff0c\u5143\u7d20\u7684\u5185\u90e8\u663e\u793a\u7c7b\u578b\uff0c\u5176\u5b9a\u4e49\u4e86\u8be5\u5185\u5bb9\u5e03\u5c40\u65f6\u7684\u683c\u5f0f\u4e0a\u4e0b\u6587\u7684\u7c7b\u578b\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>display-listitem<\/code><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5217\u8868\u5143\u7d20<\/span><\/strong><\/span><span class=\"md-plain\">\uff0c\u4e3a\u5185\u5bb9\u751f\u6210\u4e00\u4e2a\u5757\u7ea7\u76d2\u5b50\u548c\u4e00\u4e2a\u5355\u72ec\u7684\u5217\u8868\u5143\u7d20\u884c\u7ea7\u76d2\u5b50\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>display-internal<\/code><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5185\u90e8<\/span><\/strong><\/span><span class=\"md-plain\">\uff0c\u4e00\u4e9b\u5e03\u5c40\u6a21\u578b\uff0c\u4f8b\u5982 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>table<\/code><\/span><span class=\"md-plain\"> \u548c <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>ruby<\/code><\/span><span class=\"md-plain\"> \u6709\u4e00\u4e2a\u590d\u6742\u7684\u5185\u7f6e\u7ed3\u6784\uff0c\u5b83\u4eec\u7684\u5b50\u5b59\u540e\u4ee3\u53ef\u4ee5\u626e\u6f14\u51e0\u4e2a\u4e0d\u540c\u7684\u89d2\u8272\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>display-box<\/code><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u76d2<\/span><\/strong><\/span><span class=\"md-plain\">\uff0c\u5b9a\u4e49\u4e00\u4e2a\u5143\u7d20\u5230\u5e95\u662f\u5426\u4ea7\u751f display \u76d2\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>display-legacy<\/code><\/span><span class=\"md-plain\">\uff0c<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u9884\u7ec4\u5408<\/span><\/strong><\/span><span class=\"md-plain\">\uff0c\u5bf9\u76f8\u540c\u5e03\u5c40\u6a21\u5f0f\u7684\u5757\u7ea7\u548c\u884c\u7ea7\u53d8\u4f53\u9700\u8981\u5355\u72ec\u7684\u5173\u952e\u5b57\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>position<\/code><\/span><span class=\"md-plain\">\uff08\u5b9a\u4f4d\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>static | relative | absolute | fixed<\/code><\/span><span class=\"md-plain\"> \u3002<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>static<\/code><\/span><span class=\"md-plain\">\uff08\u9759\u6001\u5b9a\u4f4d\uff09\uff0c<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>relative<\/code><\/span><span class=\"md-plain\">\uff08\u76f8\u5bf9\u5b9a\u4f4d\uff09\u3002<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>absolute<\/code><\/span><span class=\"md-plain\">\uff08\u7edd\u5bf9\u5b9a\u4f4d\uff09\uff0c<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>fixed\uff08<\/code><\/span><span class=\"md-plain\">\u56fa\u5b9a\u5b9a\u4f4d\uff09\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>top<\/code><\/span><span class=\"md-plain\">\uff08\u4e0a\u5750\u6807\uff09\uff0c<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>right<\/code><\/span><span class=\"md-plain\">\uff08\u53f3\u5750\u6807\uff09\uff0c<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>bottom<\/code><\/span><span class=\"md-plain\">\uff08\u4e0b\u5750\u6807\uff09\uff0c<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>left<\/code><\/span><span class=\"md-plain\">\uff08\u5de6\u5750\u6807\uff09\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>z-index<\/code><\/span><span class=\"md-plain\">\uff08\u5c42\u53e0\uff09\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>float<\/code><\/span><span class=\"md-plain\">\uff08\u6d6e\u52a8\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>left | right<\/code><\/span><span class=\"md-plain\"> \u3002<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u6e05\u9664\u6d6e\u52a8\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>overflow<\/code><\/span><span class=\"md-plain\">\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>hidden<\/code><\/span><span class=\"md-plain\"> \u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u6e05\u9664\u6d6e\u52a8\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>clear<\/code><\/span><span class=\"md-plain\">\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>left | right | both<\/code><\/span><span class=\"md-plain\"> \u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u8bbe\u7f6e\u7236\u7ea7\u76d2\u5b50\u7684\u56fa\u5b9a\u9ad8\u5ea6\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>height<\/code><\/span><span class=\"md-plain\"> \u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3 class=\"md-end-block md-heading\"><span class=\"md-plain\">5.4 \u80cc\u666f\u76f8\u5173\u6837\u5f0f<\/span><\/h3>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>background<\/code><\/span><span class=\"md-plain\">\uff1a\u80cc\u666f\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u6837\u5f0f\u8bbe\u7f6e\u8bed\u6cd5\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>background:#\u989c\u8272\u503c url(\"\u56fe\u50cf\") \u662f\u5426\u91cd\u590d \u56fa\u5b9a\u6216\u6eda\u52a8 \u56fe\u50cf\u8d77\u59cb\u4f4d\u7f6e;<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u53ef\u7ec6\u5206\u4e3a\u5982\u4e0b5\u79cd\u6837\u5f0f\u3002<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>background-color<\/code><\/span><span class=\"md-plain\">\uff1a\u80cc\u666f\u989c\u8272\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>background-image<\/code><\/span><span class=\"md-plain\">\uff1a\u80cc\u666f\u56fe\u50cf\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>background-repeat<\/code><\/span><span class=\"md-plain\">\uff1a\u80cc\u666f\u56fe\u50cf\u91cd\u590d\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>background-attachment<\/code><\/span><span class=\"md-plain\">\uff1a\u80cc\u666f\u56fe\u50cf\u662f\u5426\u56fa\u5b9a\u6216\u8005\u968f\u7740\u9875\u9762\u7684\u5176\u4f59\u90e8\u5206\u6eda\u52a8\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>background-position<\/code><\/span><span class=\"md-plain\">\uff1a\u80cc\u666f\u56fe\u50cf\u7684\u8d77\u59cb\u4f4d\u7f6e\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3 class=\"md-end-block md-heading\"><span class=\"md-plain\">5.5 \u94fe\u63a5\u5217\u8868\u8868\u683c\u6837\u5f0f<\/span><\/h3>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u94fe\u63a5\u76f8\u5173\u6837\u5f0f\uff1a<\/span><\/p>\n<ol class=\"ol-list\" start=\"\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>a:link<\/code><\/span><span class=\"md-plain\">\uff08\u672a\u8bbf\u95ee\u8fc7\u7684\u94fe\u63a5\uff09\uff1a\u53ef\u4ee5\u7528\u989c\u8272\u3001\u5b57\u4f53\u3001\u80cc\u666f\u7b49\u6837\u5f0f\u5c5e\u6027\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>a:visited<\/code><\/span><span class=\"md-plain\">\uff08\u7528\u6237\u5df2\u8bbf\u95ee\u8fc7\u7684\u94fe\u63a5\uff09\uff1a\u53ef\u4ee5\u7528\u989c\u8272\u3001\u5b57\u4f53\u3001\u80cc\u666f\u7b49\u6837\u5f0f\u5c5e\u6027\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>a:hover<\/code><\/span><span class=\"md-plain\">\uff08\u5f53\u7528\u6237\u9f20\u6807\u653e\u5728\u94fe\u63a5\u4e0a\u65f6\uff09\uff1a\u53ef\u4ee5\u7528\u989c\u8272\u3001\u5b57\u4f53\u3001\u80cc\u666f\u7b49\u6837\u5f0f\u5c5e\u6027\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>a:active<\/code><\/span><span class=\"md-plain\">\uff08\u94fe\u63a5\u88ab\u70b9\u51fb\u7684\u90a3\u4e00\u523b\uff09\uff1a\u53ef\u4ee5\u7528\u989c\u8272\u3001\u5b57\u4f53\u3001\u80cc\u666f\u7b49\u6837\u5f0f\u5c5e\u6027\u3002<\/span><\/p>\n<\/li>\n<\/ol>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u5217\u8868\u76f8\u5173\u6837\u5f0f\uff1a<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>list-style<\/code><\/span><span class=\"md-plain\">\uff08ul\/ol\u5217\u8868\u6837\u5f0f\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>none | circle | disc | decimal<\/code><\/span><span class=\"md-plain\"> \u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>list-style-type<\/code><\/span><span class=\"md-plain\">\uff08ul \u5217\u8868\u9879\u6807\u8bb0\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>circle\u3001square<\/code><\/span><span class=\"md-plain\"> \u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>list-style-type<\/code><\/span><span class=\"md-plain\">\uff08ol \u5217\u8868\u9879\u6807\u8bb0\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>lower-alpha\u3001upper-roman<\/code><\/span><span class=\"md-plain\"> \u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>list-style-position<\/code><\/span><span class=\"md-plain\">\uff08\u5217\u8868\u9879\u6807\u5fd7\u7684\u4f4d\u7f6e\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>inside | outside<\/code><\/span><span class=\"md-plain\"> \u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>list-style-image<\/code><\/span><span class=\"md-plain\">\uff08\u4f5c\u4e3a\u5217\u8868\u9879\u6807\u8bb0\u7684\u56fe\u50cf\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>url('xxx.gif')<\/code><\/span><span class=\"md-plain\"> \u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u8868\u683c\u76f8\u5173\u6837\u5f0f\uff1a<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>border<\/code><\/span><span class=\"md-plain\">\uff08\u8fb9\u6846\uff09\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>border-collapse<\/code><\/span><span class=\"md-plain\">\uff08\u6298\u53e0\u8fb9\u6846\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>collapse<\/code><\/span><span class=\"md-plain\"> \u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>width<\/code><\/span><span class=\"md-plain\">\uff08\u5bbd\uff09\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>height<\/code><\/span><span class=\"md-plain\">\uff08\u9ad8\uff09\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>text-align<\/code><\/span><span class=\"md-plain\">\uff08\u6c34\u5e73\u5bf9\u9f50\uff09\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>vertical-align<\/code><\/span><span class=\"md-plain\">\uff08\u5782\u76f4\u5bf9\u9f50\uff09\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>padding<\/code><\/span><span class=\"md-plain\">\uff08\u5185\u8fb9\u8ddd\u586b\u5145\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>10px<\/code><\/span><span class=\"md-plain\"> \u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>color<\/code><\/span><span class=\"md-plain\">\uff08\u989c\u8272\uff09\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>background-color<\/code><\/span><span class=\"md-plain\">\uff08\u80cc\u666f\u989c\u8272\uff09\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3 class=\"md-end-block md-heading\"><span class=\"md-plain\">5.6 \u5143\u7d20\u5c3a\u5bf8\u6837\u5f0f<\/span><\/h3>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>width<\/code><\/span><span class=\"md-plain\">\uff08\u5143\u7d20\u7684\u5bbd\u5ea6\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>auto | length | %<\/code><\/span><span class=\"md-plain\"> \u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>height<\/code><\/span><span class=\"md-plain\">\uff08\u5143\u7d20\u7684\u9ad8\u5ea6\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>auto | length | %<\/code><\/span><span class=\"md-plain\"> \u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>max-width<\/code><\/span><span class=\"md-plain\">\uff08\u5143\u7d20\u7684\u6700\u5927\u5bbd\u5ea6\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>none | length | %<\/code><\/span><span class=\"md-plain\"> \u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>max-height<\/code><\/span><span class=\"md-plain\">\uff08\u5143\u7d20\u7684\u6700\u5927\u9ad8\u5ea6\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>none | length | %<\/code><\/span><span class=\"md-plain\"> \u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>min-width<\/code><\/span><span class=\"md-plain\">\uff08\u5143\u7d20\u7684\u6700\u5c0f\u5bbd\u5ea6\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>length | %<\/code><\/span><span class=\"md-plain\"> \u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>min-height<\/code><\/span><span class=\"md-plain\">\uff08\u5143\u7d20\u7684\u6700\u5c0f\u9ad8\u5ea6\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>length | %<\/code><\/span><span class=\"md-plain\"> \u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<h3 class=\"md-end-block md-heading\"><span class=\"md-plain\">5.7 \u6ea2\u51fa\u548c\u6d6e\u52a8\u6837\u5f0f<\/span><\/h3>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>overflow<\/code><\/span><span class=\"md-plain\">\uff08\u6ea2\u51fa\uff09\u53ea\u5de5\u4f5c\u4e8e\u6307\u5b9a\u9ad8\u5ea6\u7684\u5757\u5143\u7d20\u4e0a\uff0c\u7528\u4e8e\u63a7\u5236\u5185\u5bb9\u6ea2\u51fa\u5143\u7d20\u6846\u65f6\u663e\u793a\u7684\u65b9\u5f0f\u3002<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>overflow:visible;<\/code><\/span><span class=\"md-plain\">\uff1a\u5185\u5bb9\u4e0d\u4f1a\u88ab\u4fee\u526a\uff0c\u4f1a\u5448\u73b0\u5728\u5143\u7d20\u6846\u4e4b\u5916\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>overflow:hidden;<\/code><\/span><span class=\"md-plain\">\uff1a\u5185\u5bb9\u4f1a\u88ab\u4fee\u526a\uff0c\u5e76\u4e14\u5176\u4f59\u5185\u5bb9\u662f\u4e0d\u53ef\u89c1\u7684\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>overflow:scroll;<\/code><\/span><span class=\"md-plain\">\uff1a\u5185\u5bb9\u4f1a\u88ab\u4fee\u526a\uff0c\u4f46\u662f\u6d4f\u89c8\u5668\u4f1a\u663e\u793a\u6eda\u52a8\u6761\u4ee5\u4fbf\u67e5\u770b\u5176\u4f59\u7684\u5185\u5bb9\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>overflow:auto;<\/code><\/span><span class=\"md-plain\">\uff1a\u5982\u679c\u5185\u5bb9\u51fa\u73b0\u88ab\u4fee\u526a\uff0c\u5219\u6d4f\u89c8\u5668\u4f1a\u663e\u793a\u6eda\u52a8\u6761\u4ee5\u4fbf\u67e5\u770b\u5176\u4f59\u7684\u5185\u5bb9\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>overflow:inherit;<\/code><\/span><span class=\"md-plain\">\uff1a\u4ece\u7236\u5143\u7d20\u7ee7\u627f overflow \u5c5e\u6027\u7684\u503c\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>float<\/code><\/span><span class=\"md-plain\">\uff08\u6d6e\u52a8\uff09\u4f1a\u4f7f\u5143\u7d20\u5411\u5de6\u6216\u5411\u53f3\u79fb\u52a8\uff0c\u5176\u5468\u56f4\u7684\u5143\u7d20\u4e5f\u4f1a\u91cd\u65b0\u6392\u5217\uff0c\u901a\u5e38\u662f\u7528\u4e8e\u56fe\u50cf\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>float<\/code><\/span><span class=\"md-plain\">\uff08\u6d6e\u52a8\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>none | left | right | inherit;<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u5728\u5e03\u5c40\u65f6\uff0c\u662f\u6c34\u5e73\u65b9\u5411\u6d6e\u52a8\uff0c\u5143\u7d20\u53ea\u80fd\u5de6\u53f3\u79fb\u52a8\u800c\u4e0d\u80fd\u4e0a\u4e0b\u79fb\u52a8\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u4e00\u4e2a\u6d6e\u52a8\u5143\u7d20\u4f1a\u5c3d\u91cf\u5411\u5de6\u6216\u5411\u53f3\u79fb\u52a8\uff0c\u76f4\u5230\u5b83\u7684\u5916\u8fb9\u7f18\u78b0\u5230\u5305\u542b\u6846\u6216\u53e6\u4e00\u4e2a\u6d6e\u52a8\u6846\u7684\u8fb9\u6846\u4e3a\u6b62\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u6d6e\u52a8\u5143\u7d20\u4e4b\u540e\u7684\u5143\u7d20\u5c06\u56f4\u7ed5\u5b83\uff08\u4f8b\u5982\u56fe\u50cf\u662f\u5de6\u6d6e\u52a8\uff0c\u6587\u672c\u6d41\u5c06\u73af\u7ed5\u5728\u5b83\u53f3\u8fb9\uff09\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u5982\u679c\u628a\u51e0\u4e2a\u6d6e\u52a8\u7684\u5143\u7d20\u653e\u5230\u4e00\u8d77\uff0c\u4e14\u6709\u7a7a\u95f4\u7684\u8bdd\uff0c\u8fd9\u51e0\u4e2a\u6d6e\u52a8\u5143\u7d20\u4f1a\u5f7c\u6b64\u76f8\u90bb\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">clear\uff08\u6e05\u9664\uff09\uff1a\u4e0d\u5141\u8bb8\u5143\u7d20\u5468\u56f4\u6709\u6d6e\u52a8\u5143\u7d20\uff0c\u5373\u6307\u5b9a\u5143\u7d20\u4e24\u4fa7\u4e0d\u80fd\u51fa\u73b0\u6d6e\u52a8\u5143\u7d20\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">clear\uff08\u6e05\u9664\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>none | left | right | both | inherit;<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<div class=\"md-hr md-end-block\" tabindex=\"-1\">\n<hr \/>\n<\/div>\n<h2 class=\"md-end-block md-heading\"><span class=\"md-plain\">6 \u989c\u8272\u4e0e\u5355\u4f4d<\/span><\/h2>\n<h3 class=\"md-end-block md-heading\"><span class=\"md-plain\">6.1 \u989c\u8272\u503c<\/span><\/h3>\n<pre class=\"md-fences md-end-block ty-contain-cm modeLoaded\" lang=\"css\" spellcheck=\"false\"><span role=\"presentation\"><span class=\"cm-qualifier\">.color-name<\/span> { <span class=\"cm-property\">color<\/span>: <span class=\"cm-keyword\">red<\/span>; } \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <span class=\"cm-comment\">\/* \u989c\u8272\u540d\u79f0 *\/<\/span><\/span>\r\n<span role=\"presentation\"><span class=\"cm-qualifier\">.hex-code<\/span> { <span class=\"cm-property\">color<\/span>: <span class=\"cm-atom\">#FF0000<\/span>; } \u00a0 \u00a0 \u00a0 \u00a0 <span class=\"cm-comment\">\/* \u5341\u516d\u8fdb\u5236 *\/<\/span><\/span>\r\n<span role=\"presentation\"><span class=\"cm-qualifier\">.rgb-value<\/span> { <span class=\"cm-property\">color<\/span>: <span class=\"cm-atom\">rgb<\/span>(<span class=\"cm-number\">255<\/span>, <span class=\"cm-number\">0<\/span>, <span class=\"cm-number\">0<\/span>); } <span class=\"cm-comment\">\/* RGB\u503c *\/<\/span><\/span>\r\n<span role=\"presentation\"><span class=\"cm-qualifier\">.rgba-value<\/span> { <span class=\"cm-property\">color<\/span>: <span class=\"cm-atom\">rgba<\/span>(<span class=\"cm-number\">255<\/span>, <span class=\"cm-number\">0<\/span>, <span class=\"cm-number\">0<\/span>, <span class=\"cm-number\">0.5<\/span>); } <span class=\"cm-comment\">\/* \u5e26\u900f\u660e\u5ea6 *\/<\/span><\/span><\/pre>\n<h3 class=\"md-end-block md-heading\"><span class=\"md-plain\">6.2 \u5355\u4f4d<\/span><\/h3>\n<pre class=\"md-fences md-end-block ty-contain-cm modeLoaded\" lang=\"css\" spellcheck=\"false\"><span role=\"presentation\"><span class=\"cm-qualifier\">.px-unit<\/span> { <span class=\"cm-property\">font-size<\/span>: <span class=\"cm-number\">16px<\/span>; } \u00a0 \u00a0 \u00a0 <span class=\"cm-comment\">\/* \u56fa\u5b9a\u50cf\u7d20 *\/<\/span><\/span>\r\n<span role=\"presentation\"><span class=\"cm-qualifier\">.em-unit<\/span> { <span class=\"cm-property\">font-size<\/span>: <span class=\"cm-number\">1.5em<\/span>; } \u00a0 \u00a0 \u00a0<span class=\"cm-comment\">\/* \u76f8\u5bf9\u4e8e\u7236\u5143\u7d20 *\/<\/span><\/span>\r\n<span role=\"presentation\"><span class=\"cm-qualifier\">.rem-unit<\/span> { <span class=\"cm-property\">font-size<\/span>: <span class=\"cm-number\">1.2rem<\/span>; } \u00a0 \u00a0<span class=\"cm-comment\">\/* \u76f8\u5bf9\u4e8e\u6839\u5143\u7d20 *\/<\/span><\/span>\r\n<span role=\"presentation\"><span class=\"cm-qualifier\">.percentage<\/span> { <span class=\"cm-property\">width<\/span>: <span class=\"cm-number\">50%<\/span>; } \u00a0 \u00a0 \u00a0 \u00a0 <span class=\"cm-comment\">\/* \u767e\u5206\u6bd4 *\/<\/span><\/span>\r\n<span role=\"presentation\"><span class=\"cm-qualifier\">.vw-vh<\/span> { <span class=\"cm-property\">width<\/span>: <span class=\"cm-number\">50vw<\/span>; } \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <span class=\"cm-comment\">\/* \u89c6\u53e3\u5bbd\u5ea6\u768450% *\/<\/span><\/span><\/pre>\n<div class=\"md-hr md-end-block\" tabindex=\"-1\">\n<hr \/>\n<\/div>\n<h2 class=\"md-end-block md-heading\"><span class=\"md-plain\">7 \u5173\u952e\u7279\u6027<\/span><\/h2>\n<h3 class=\"md-end-block md-heading\"><span class=\"md-plain\">7.1 \u4f18\u5148\u7ea7\uff08Specificity\uff09<\/span><\/h3>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u591a\u4e2a\u6837\u5f0f\u89c4\u5219\u53ef\u53e0\u52a0\u4f5c\u7528\u4e8e\u540c\u4e00\u5143\u7d20\uff0c\u5f53\u591a\u4e2a\u6837\u5f0f\u89c4\u5219\u51b2\u7a81\u65f6\uff0c\u901a\u8fc7<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u4f18\u5148\u7ea7<\/span><\/strong><\/span><span class=\"md-plain\">\u89c4\u5219\uff08\u5982\u7279\u5f02\u6027\u3001\u6765\u6e90\u987a\u5e8f\uff09\u786e\u5b9a\u6700\u7ec8\u5e94\u7528\u7684\u6837\u5f0f\u3002CSS \u6837\u5f0f\u6709\u4e0d\u540c\u7684\u4f18\u5148\u7ea7\uff0c\u4f18\u5148\u7ea7\u9ad8\u7684\u6837\u5f0f\u89c4\u5219\u4f1a\u8986\u76d6\u4f18\u5148\u7ea7\u4f4e\u7684\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u4f18\u5148\u7ea7\u89c4\u5219\uff08<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u4ece\u9ad8\u5230\u4f4e<\/span><\/strong><\/span><span class=\"md-plain\">\uff09\uff1a<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>!important<\/code><\/span><span class=\"md-plain\">\uff08\u4f8b\u5916\u89c4\u5219\uff0c\u5f3a\u5236\u8986\u76d6\uff09\u3002\u5e94\u8be5\u5c3d\u91cf\u907f\u514d\uff0c\u56e0\u4e3a\u8fd9\u4f1a\u7834\u574f\u4e86\u6837\u5f0f\u8868\u4e2d\u7684\u56fa\u6709\u7684\u7ea7\u8054\u89c4\u5219 \u4f7f\u5f97\u8c03\u8bd5\u627e bug \u53d8\u5f97\u66f4\u52a0\u56f0\u96be\u4e86\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u884c\u5185\u6837\u5f0f\uff08inline)\uff0c\u5728 HTML \u5143\u7d20\u7684 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>style<\/code><\/span><span class=\"md-plain\"> \u5c5e\u6027\u4e2d\u5b9a\u4e49\u7684\u6837\u5f0f\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">ID \u9009\u62e9\u5668\uff08\u4f8b\u5982<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>#example<\/code><\/span><span class=\"md-plain\">\uff09\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u7c7b\u9009\u62e9\u5668\uff08\u4f8b\u5982<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>.example<\/code><\/span><span class=\"md-plain\">\uff09\uff0c\u5c5e\u6027\u9009\u62e9\u5668\uff08\u4f8b\u5982<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>[type=\"radio\"]<\/code><\/span><span class=\"md-plain\">\uff09\uff0c\u4f2a\u7c7b\uff08\u4f8b\u5982<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>:hover<\/code><\/span><span class=\"md-plain\">\uff09\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u5143\u7d20\u6807\u7b7e\u9009\u62e9\u5668\uff08\u4f8b\u5982<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>h1<\/code><\/span><span class=\"md-plain\">\uff09\uff0c\u4f2a\u5143\u7d20\uff08\u4f8b\u5982<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>::before<\/code><\/span><span class=\"md-plain\">\uff09\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u7ee7\u627f\u6837\u5f0f\uff08inheritance\uff09\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u901a\u914d\u7b26\u9009\u62e9\u5668\uff08<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>*<\/code><\/span><span class=\"md-plain\">\uff09\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u901a\u914d\u9009\u62e9\u5668<\/span><\/strong><\/span><span class=\"md-plain\">\uff08universal selector\uff09\uff08<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>*<\/code><\/span><span class=\"md-plain\">\uff09\u3001<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5173\u7cfb\u9009\u62e9\u5668<\/span><\/strong><\/span><span class=\"md-plain\">\uff08combinator\uff09\uff08<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>+<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>&gt;<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>~<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>\" \"<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>||<\/code><\/span><span class=\"md-plain\">\uff09\u548c <\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5426\u5b9a\u4f2a\u7c7b<\/span><\/strong><\/span><span class=\"md-plain\">\uff08negation pseudo-class\uff09\uff08<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>:not()<\/code><\/span><span class=\"md-plain\">\uff09\u5bf9\u4f18\u5148\u7ea7\u6ca1\u6709\u5f71\u54cd\u3002\u4f46\u662f\uff0c\u5728 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>:not()<\/code><\/span><span class=\"md-plain\"> \u5185\u90e8\u58f0\u660e\u7684\u9009\u62e9\u5668\u4f1a\u5f71\u54cd\u4f18\u5148\u7ea7\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u4f18\u5148\u7ea7\u5efa\u8bae<\/span><\/strong><\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u66f4\u597d\u5730\u5229\u7528 CSS \u7ea7\u8054\u5c5e\u6027\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u4f7f\u7528\u66f4\u5177\u4f53\u7684\u89c4\u5219\u3002\u5728\u4f60\u9009\u62e9\u7684\u5143\u7d20\u4e4b\u524d\uff0c\u589e\u52a0\u4e00\u4e2a\u6216\u591a\u4e2a\u5176\u4ed6\u5143\u7d20\uff0c\u4f7f\u9009\u62e9\u5668\u53d8\u5f97\u66f4\u52a0\u5177\u4f53\uff0c\u5e76\u83b7\u5f97\u66f4\u9ad8\u7684\u4f18\u5148\u7ea7\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3 class=\"md-end-block md-heading\"><span class=\"md-plain\">7.2 \u7ee7\u627f\uff08Inheritance\uff09<\/span><\/h3>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\"> \u5b50\u5143\u7d20\u81ea\u52a8\u7ee7\u627f\u7236\u5143\u7d20\u6837\u5f0f\uff08\u5982<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>font-family<\/code><\/span><span class=\"md-plain\">\uff09\uff0c\u90e8\u5206\u5c5e\u6027\uff08\u5982<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>margin<\/code><\/span><span class=\"md-plain\">\uff09\u4e0d\u7ee7\u627f\u3002<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u5f53\u5143\u7d20\u7684\u4e00\u4e2a<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u7ee7\u627f\u5c5e\u6027<\/span><\/strong><\/span><span class=\"md-plain\">\uff08inherited property\uff09\u6ca1\u6709\u6307\u5b9a\u503c\u65f6\uff0c\u5219\u53d6\u7236\u5143\u7d20\u7684\u540c\u5c5e\u6027\u7684\u8ba1\u7b97\u503c\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u67d0\u4e9b\u5c5e\u6027\uff08\u5982 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>color<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>font-family<\/code><\/span><span class=\"md-plain\">\uff09\u4f1a\u4ece\u7236\u5143\u7d20\u81ea\u52a8\u7ee7\u627f\u5230\u5b50\u5143\u7d20\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u4e0d\u53ef\u7ee7\u627f\u7684\u5c5e\u6027\uff08\u5982 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>border<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>margin<\/code><\/span><span class=\"md-plain\">\uff09\u9700\u8981\u663e\u5f0f\u8bbe\u7f6e\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<h3 class=\"md-end-block md-heading\"><span class=\"md-plain\">7.3 \u5c42\u53e0\uff08Cascading\uff09<\/span><\/h3>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\"> \u5c42\u53e0\u662f CSS \u7684\u4e00\u4e2a\u57fa\u672c\u7279\u5f81\uff0c\u5b83\u662f\u4e00\u4e2a\u5b9a\u4e49\u4e86\u5982\u4f55\u5408\u5e76\u6765\u81ea\u591a\u4e2a\u6e90\u7684\u5c5e\u6027\u503c\u7684\u7b97\u6cd5\u3002\u5b83\u5728 CSS \u5904\u4e8e\u6838\u5fc3\u5730\u4f4d\uff0cCSS \u7684\u5168\u79f0\u5c42\u53e0\u6837\u5f0f\u8868\u6b63\u662f\u5f3a\u8c03\u4e86\u8fd9\u4e00\u70b9\u3002<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">CSS \u58f0\u660e\u7684\u6765\u6e90<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u7528\u6237\u4ee3\u7406\u6837\u5f0f<\/span><\/strong><\/span><span class=\"md-plain\">\uff1a\u6d4f\u89c8\u5668\u4f1a\u6709\u4e00\u4e2a\u57fa\u672c\u7684\u6837\u5f0f\u8868\u6765\u7ed9\u4efb\u4f55\u7f51\u9875\u8bbe\u7f6e\u9ed8\u8ba4\u6837\u5f0f\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u9875\u9762\u4f5c\u8005\u6837\u5f0f<\/span><\/strong><\/span><span class=\"md-plain\">\uff1a\u7f51\u9875\u7684\u4f5c\u8005\u53ef\u4ee5\u5b9a\u4e49\u6587\u6863\u7684\u6837\u5f0f\uff0c\u8fd9\u662f\u6700\u5e38\u89c1\u7684\u6837\u5f0f\u8868\u3002\u5927\u591a\u6570\u60c5\u51b5\u4e0b\u6b64\u7c7b\u578b\u6837\u5f0f\u8868\u4f1a\u5b9a\u4e49\u591a\u4e2a\uff0c\u5b83\u4eec\u6784\u6210\u7f51\u7ad9\u7684\u89c6\u89c9\u548c\u4f53\u9a8c\uff0c\u5373\u4e3b\u9898\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u8bfb\u8005\u7528\u6237\u6837\u5f0f<\/span><\/strong><\/span><span class=\"md-plain\">\uff1a\u8bfb\u8005\uff0c\u4f5c\u4e3a\u6d4f\u89c8\u5668\u7684\u7528\u6237\uff0c\u53ef\u4ee5\u4f7f\u7528\u81ea\u5b9a\u4e49\u6837\u5f0f\u8868\u5b9a\u5236\u4f7f\u7528\u4f53\u9a8c\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u5c42\u53e0\u987a\u5e8f\uff08<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u4ece\u9ad8\u5230\u4f4e<\/span><\/strong><\/span><span class=\"md-plain\">\uff09<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u5047\u5982\u5c42\u53e0\u987a\u5e8f\u76f8\u7b49\uff0c\u5219\u4f7f\u7528\u54ea\u4e2a\u503c\u53d6\u51b3\u4e8e<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u4f18\u5148\u7ea7<\/span><\/strong><\/span><span class=\"md-plain\">\uff08Specificity\uff09\u3002<\/span><\/p>\n<ol class=\"ol-list\" start=\"\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">CSS \u8fc7\u6e21 (CSS Transition)<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u7528\u6237\u4ee3\u7406\u6837\u5f0f\u7684<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>!important<\/code><\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u8bfb\u8005\u7528\u6237\u6837\u5f0f\u7684<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>!important<\/code><\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u9875\u9762\u4f5c\u8005\u6837\u5f0f\u7684<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>!important<\/code><\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">CSS \u52a8\u753b\uff08CSS Animation\uff09<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u9875\u9762\u4f5c\u8005\u6837\u5f0f<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u8bfb\u8005\u7528\u6237\u6837\u5f0f<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u7528\u6237\u4ee3\u7406\u6837\u5f0f<\/span><\/p>\n<\/li>\n<\/ol>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u91cd\u7f6e\u6837\u5f0f<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u5f53 CSS \u5bf9\u6837\u5f0f\u5b8c\u6210\u66f4\u6539\u4e4b\u540e\uff0c\u4e5f\u8bb8\u4f1a\u5728\u67d0\u79cd\u60c5\u51b5\u4e0b\u5e0c\u671b\u8fd8\u539f\u5230\u4e00\u4e2a\u5df2\u77e5\u6837\u5f0f\u4e0a\uff0c\u8fd9\u53ef\u80fd\u53d1\u751f\u5728\u52a8\u753b\u3001\u4e3b\u9898\u4fee\u6539\u4e4b\u7c7b\u7684\u60c5\u5f62\u4e2d\u3002CSS \u5c5e\u6027 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>all<\/code><\/span><span class=\"md-plain\">\u80fd\u591f\u5feb\u901f\u5730\u628a\uff08\u51e0\u4e4e\uff09\u6240\u6709 CSS \u5c5e\u6027\u8bbe\u7f6e\u5230\u4e00\u4e2a\u5df2\u77e5\u6837\u5f0f\u4e0a\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u5c42\u53e0\u5c42\/\u7ea7\u8054\u5c42<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u4f7f\u7528 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>@layer<\/code><\/span><span class=\"md-plain\"> \u58f0\u660e\u4e86\u4e00\u4e2a<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5c42\u53e0\u5c42\/\u7ea7\u8054\u5c42<\/span><\/strong><\/span><span class=\"md-plain\">\uff0c\u540c\u4e00\u5c42\u5185\u7684\u89c4\u5219\u5c06\u7ea7\u8054\u5728\u4e00\u8d77\uff0c\u8fd9\u7ed9\u4e88\u4e86\u5f00\u53d1\u8005\u5bf9\u5c42\u53e0\u673a\u5236\u7684\u66f4\u591a\u63a7\u5236\u3002<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u4e00\u4e2a\u5c42\u53e0\u5c42\u540c\u6837\u53ef\u4ee5\u901a\u8fc7 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>@import<\/code><\/span><span class=\"md-plain\">\u6765\u521b\u5efa\uff0c\u89c4\u5219\u5b58\u5728\u4e8e\u88ab\u5f15\u5165\u7684\u6837\u5f0f\u8868\u5185\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>@import (utilities.css) layer(utilities);<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u53ef\u4ee5\u521b\u5efa\u5e26\u547d\u540d\u7684\u5c42\u53e0\u5c42\uff0c\u4f46\u4e0d\u6307\u5b9a\u4efb\u4f55\u6837\u5f0f\u3002\u4f8b\u5982\uff0c\u5355\u4e00\u7684\u547d\u540d\u5c42\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>@layer utilities;<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u591a\u4e2a\u547d\u540d\u5c42\u4e5f\u53ef\u4ee5\u88ab\u540c\u65f6\u5b9a\u4e49\u3002\u4f8b\u5982\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>@layer theme, layout, utilities;<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u5bf9\u4e8e\u591a\u4e2a\u547d\u540d\u5c42\u7684\u58f0\u660e\u800c\u8a00\uff0c\u5982\u679c\u540c\u4e00\u58f0\u660e\u5728\u591a\u4e2a\u5c42\u53e0\u5c42\u4e2d\u88ab\u6307\u5b9a\uff0c<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u6700\u540e\u4e00\u5c42<\/span><\/strong><\/span><span class=\"md-plain\">\u4e2d\u7684\u5c06\u4f18\u5148\u4e8e\u5176\u4ed6\u5c42\u3002\u56e0\u6b64\uff0c\u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c\u5982\u679c <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>theme<\/code><\/span><span class=\"md-plain\"> \u5c42\u548c <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>utilities<\/code><\/span><span class=\"md-plain\"> \u5c42\u4e2d\u5b58\u5728\u51b2\u7a81\u7684\u89c4\u5219\uff0c\u90a3\u4e48 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>utilities<\/code><\/span><span class=\"md-plain\"> \u5c42\u4e2d\u7684\u5c06\u4f18\u5148\u88ab\u5e94\u7528\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u5c42\u53e0\u5c42\u7684\u5d4c\u5957<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u5c42\u53e0\u5c42\u5141\u8bb8\u5d4c\u5957\uff0c\u4f8b\u5982\uff1a <\/span><\/p>\n<\/li>\n<\/ul>\n<pre class=\"md-fences md-end-block ty-contain-cm modeLoaded\" lang=\"css\" spellcheck=\"false\"><span role=\"presentation\"><span class=\"cm-def\">@layer<\/span> <span class=\"cm-tag\">framework<\/span> {<\/span>\r\n<span role=\"presentation\">    <span class=\"cm-def\">@layer<\/span> <span class=\"cm-tag\">layout<\/span> {<\/span>\r\n<span role=\"presentation\"> \u00a0 \u00a0 \u00a0 \u00a0<\/span>\r\n<span role=\"presentation\">    }<\/span>\r\n<span role=\"presentation\">}<\/span><\/pre>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u5d4c\u5957\u5c42\u7684\u9644\u52a0\u89c4\u5219<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u5411 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>framework<\/code><\/span><span class=\"md-plain\"> \u5c42\u5185\u90e8\u7684 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>layout<\/code><\/span><span class=\"md-plain\"> \u5c42\u9644\u52a0\u89c4\u5219\uff0c\u53ea\u9700\u7528 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>.<\/code><\/span><span class=\"md-plain\"> \u8fde\u63a5\u8fd9\u4e24\u5c42\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<pre class=\"md-fences md-end-block ty-contain-cm modeLoaded\" lang=\"css\" spellcheck=\"false\"><span role=\"presentation\"><span class=\"cm-def\">@layer<\/span> <span class=\"cm-tag\">framework<\/span><span class=\"cm-qualifier\">.layout<\/span> {<\/span>\r\n<span role=\"presentation\">    <span class=\"cm-property cm-error\">p<\/span> {<\/span>\r\n<span role=\"presentation\">        <span class=\"cm-property cm-error\">margin-block<\/span>: <span class=\"cm-number\">1rem<\/span>;<\/span>\r\n<span role=\"presentation\">    }<\/span>\r\n<span role=\"presentation\">}<\/span><\/pre>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u533f\u540d\u5c42<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u5982\u679c\u521b\u5efa\u4e86\u4e00\u4e2a\u5c42\u53e0\u5c42\u4f46\u5e76\u672a\u6307\u5b9a\u540d\u5b57\uff0c\u5219\u79f0\u4e3a\u4e00\u4e2a\u533f\u540d\u5c42\u3002\u9664\u521b\u5efa\u540e\u65e0\u6cd5\u5411\u5176\u6dfb\u52a0\u89c4\u5219\u5916\uff0c\u8be5\u5c42\u548c\u5176\u4ed6\u547d\u540d\u5c42\u529f\u80fd\u4e00\u81f4\u3002\u4f8b\u5982\uff1a<\/span><\/p>\n<\/li>\n<\/ul>\n<pre class=\"md-fences md-end-block ty-contain-cm modeLoaded\" lang=\"css\" spellcheck=\"false\"><span role=\"presentation\"><span class=\"cm-def\">@layer<\/span> {<\/span>\r\n<span role=\"presentation\"> \u00a0 \u00a0<span class=\"cm-property cm-error\">p<\/span> {<\/span>\r\n<span role=\"presentation\"> \u00a0 \u00a0 \u00a0 \u00a0<span class=\"cm-property cm-error\">margin-block<\/span>: <span class=\"cm-number\">1rem<\/span>;<\/span>\r\n<span role=\"presentation\"> \u00a0  }<\/span>\r\n<span role=\"presentation\">}<\/span><\/pre>\n<h3 class=\"md-end-block md-heading\"><span class=\"md-plain\">7.4 \u683c\u5f0f\u5316\u4e0a\u4e0b\u6587\uff08Formatting Context\uff09<\/span><\/h3>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u884c\u5185\u683c\u5f0f\u5316\u4e0a\u4e0b\u6587<\/span><\/strong><\/span><span class=\"md-plain\">\uff08Inline Formatting Context\uff09\uff0c\u662f\u4e00\u4e2a\u7f51\u9875\u7684\u6e32\u67d3\u7ed3\u679c\u7684\u4e00\u90e8\u5206\u3002 <\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u5176\u4e2d\uff0c\u5404\u884c\u5185\u6846\uff08inline box\uff09\u4e00\u4e2a\u63a5\u4e00\u4e2a\u5730\u6392\u5217\uff0c\u5176\u6392\u5217\u987a\u5e8f\u6839\u636e\u4e66\u5199\u6a21\u5f0f\uff08writing-mode\uff09\u7684\u8bbe\u7f6e\u6765\u51b3\u5b9a\uff1a<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u5bf9\u4e8e\u6c34\u5e73\u4e66\u5199\u6a21\u5f0f\uff0c\u5404\u4e2a\u6846\u4ece\u5de6\u8fb9\u5f00\u59cb\u6c34\u5e73\u5730\u6392\u5217\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u5bf9\u4e8e\u5782\u76f4\u4e66\u5199\u6a21\u5f0f\uff0c\u5404\u4e2a\u6846\u4ece\u9876\u90e8\u5f00\u59cb\u6c34\u5e73\u5730\u6392\u5217\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u533a\u5757\u683c\u5f0f\u5316\u4e0a\u4e0b\u6587<\/span><\/strong><\/span><span class=\"md-plain\">\uff08Block Formatting Context\uff0cBFC\uff09\uff0c\u662f Web \u9875\u9762\u7684\u53ef\u89c6 CSS \u6e32\u67d3\u7684\u4e00\u90e8\u5206\uff0c\u662f\u5757\u7ea7\u76d2\u5b50\u7684\u5e03\u5c40\u8fc7\u7a0b\u53d1\u751f\u7684\u533a\u57df\uff0c\u4e5f\u662f\u6d6e\u52a8\u5143\u7d20\u4e0e\u5176\u4ed6\u5143\u7d20\u4ea4\u4e92\u7684\u533a\u57df\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u533a\u5757\u683c\u5f0f\u5316\u4e0a\u4e0b\u6587\uff08BFC\uff09\u662f\u4e00\u4e2a<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u72ec\u7acb\u7684\u5e03\u5c40<\/span><\/strong><\/span><span class=\"md-plain\">\u73af\u5883\uff0cBFC \u5185\u90e8\u7684\u5143\u7d20\u5e03\u5c40\u4e0e\u5916\u90e8\u4e92\u76f8<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u4e0d\u5f71\u54cd<\/span><\/strong><\/span><span class=\"md-plain\">\u3002BFC \u6709\u4e00\u5957\u5c5e\u4e8e<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u81ea\u5df1\u7684\u89c4\u5219<\/span><\/strong><\/span><span class=\"md-plain\">\uff1a<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">BFC \u7684\u533a\u57df\u4e0d\u4f1a\u4e0e\u6d6e\u52a8 Box \u91cd\u53e0\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">BFC \u662f\u4e00\u4e2a<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u72ec\u7acb\u5bb9\u5668<\/span><\/strong><\/span><span class=\"md-plain\">\uff0cBFC \u5185\u90e8\u7684\u5143\u7d20\u5e03\u5c40\u4e0e\u5916\u90e8\u4e92\u76f8<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u4e0d\u5f71\u54cd<\/span><\/strong><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u8ba1\u7b97 BFC \u7684\u9ad8\u5ea6\u65f6\uff0c\u6d6e\u52a8\u5b50\u5143\u7d20\u4e5f\u8981\u53c2\u4e0e\u8ba1\u7b97\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u4e0b\u5217\u65b9\u5f0f\u4f1a<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u521b\u5efa<\/span><\/strong><\/span><span class=\"md-plain\">\u533a\u5757\u683c\u5f0f\u5316\u4e0a\u4e0b\u6587\uff1a<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u6587\u6863\u7684\u6839\u5143\u7d20\uff08<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>&lt;html&gt;<\/code><\/span><span class=\"md-plain\">\uff09\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u6d6e\u52a8\u5143\u7d20\uff08\u5373 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>float<\/code><\/span><span class=\"md-plain\">\u503c\u4e0d\u4e3a <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>none<\/code><\/span><span class=\"md-plain\"> \u7684\u5143\u7d20\uff09\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u7edd\u5bf9\u5b9a\u4f4d\u5143\u7d20\uff08<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>position<\/code><\/span><span class=\"md-plain\">\u503c\u4e3a <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>absolute<\/code><\/span><span class=\"md-plain\"> \u6216 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>fixed<\/code><\/span><span class=\"md-plain\"> \u7684\u5143\u7d20\uff09\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u884c\u5185\u5757\u5143\u7d20\uff08<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>display<\/code><\/span><span class=\"md-plain\">\u503c\u4e3a <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>inline-block<\/code><\/span><span class=\"md-plain\"> \u7684\u5143\u7d20\uff09\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u8868\u683c\u5355\u5143\u683c\uff08<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>display<\/code><\/span><span class=\"md-plain\">\u503c\u4e3a <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>table-cell<\/code><\/span><span class=\"md-plain\">\uff0cHTML \u8868\u683c\u5355\u5143\u683c\u9ed8\u8ba4\u503c\uff09\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u8868\u683c\u6807\u9898\uff08<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>display<\/code><\/span><span class=\"md-plain\"> \u503c\u4e3a <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>table-caption<\/code><\/span><span class=\"md-plain\">\uff0cHTML \u8868\u683c\u6807\u9898\u9ed8\u8ba4\u503c\uff09\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u533f\u540d\u8868\u683c\u5355\u5143\u683c\u5143\u7d20\uff08<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>display<\/code><\/span><span class=\"md-plain\">\u503c\u4e3a <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>table<\/code><\/span><span class=\"md-plain\">\uff08HTML \u8868\u683c\u9ed8\u8ba4\u503c\uff09\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>table-row<\/code><\/span><span class=\"md-plain\">\uff08\u8868\u683c\u884c\u9ed8\u8ba4\u503c\uff09\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>table-row-group<\/code><\/span><span class=\"md-plain\">\uff08\u8868\u683c\u4f53\u9ed8\u8ba4\u503c\uff09\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>table-header-group<\/code><\/span><span class=\"md-plain\">\uff08\u8868\u683c\u5934\u90e8\u9ed8\u8ba4\u503c\uff09\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>table-footer-group<\/code><\/span><span class=\"md-plain\">\uff08\u8868\u683c\u5c3e\u90e8\u9ed8\u8ba4\u503c\uff09\u6216 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>inline-table<\/code><\/span><span class=\"md-plain\">\uff09\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>overflow<\/code><\/span><span class=\"md-plain\">\u503c\u4e0d\u4e3a <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>visible<\/code><\/span><span class=\"md-plain\"> \u6216 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>clip<\/code><\/span><span class=\"md-plain\"> \u7684\u5757\u7ea7\u5143\u7d20\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>display<\/code><\/span><span class=\"md-plain\"> \u503c\u4e3a <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>flow-root<\/code><\/span><span class=\"md-plain\"> \u7684\u5143\u7d20\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>contain<\/code><\/span><span class=\"md-plain\">\u503c\u4e3a <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>layout<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>content<\/code><\/span><span class=\"md-plain\"> \u6216 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>paint<\/code><\/span><span class=\"md-plain\"> \u7684\u5143\u7d20\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u5f39\u6027\u5143\u7d20\uff08<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>display<\/code><\/span><span class=\"md-plain\"> \u503c\u4e3a <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>flex<\/code><\/span><span class=\"md-plain\"> \u6216 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>inline-flex<\/code><\/span><span class=\"md-plain\"> \u5143\u7d20\u7684\u76f4\u63a5\u5b50\u5143\u7d20\uff09\uff0c\u5982\u679c\u5b83\u4eec\u672c\u8eab\u65e2\u4e0d\u662f<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5f39\u6027<\/span><\/strong><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u7f51\u683c<\/span><\/strong><\/span><span class=\"md-plain\">\uff0c\u4e5f\u4e0d\u662f<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u8868\u683c<\/span><\/strong><\/span><span class=\"md-plain\">\u5bb9\u5668\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u7f51\u683c\u5143\u7d20\uff08<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>display<\/code><\/span><span class=\"md-plain\"> \u503c\u4e3a <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>grid<\/code><\/span><span class=\"md-plain\"> \u6216 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>inline-grid<\/code><\/span><span class=\"md-plain\"> \u5143\u7d20\u7684\u76f4\u63a5\u5b50\u5143\u7d20\uff09\uff0c\u5982\u679c\u5b83\u4eec\u672c\u8eab\u65e2\u4e0d\u662f<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5f39\u6027<\/span><\/strong><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u7f51\u683c<\/span><\/strong><\/span><span class=\"md-plain\">\uff0c\u4e5f\u4e0d\u662f<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u8868\u683c<\/span><\/strong><\/span><span class=\"md-plain\">\u5bb9\u5668\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u591a\u5217\u5bb9\u5668\uff08<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>column-count<\/code><\/span><span class=\"md-plain\">\u6216 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>column-width<\/code><\/span><span class=\"md-plain\">\u503c\u4e0d\u4e3a <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>auto<\/code><\/span><span class=\"md-plain\">\uff0c\u4e14\u542b\u6709 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>column-count: 1<\/code><\/span><span class=\"md-plain\"> \u7684\u5143\u7d20\uff09\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>column-span<\/code><\/span><span class=\"md-plain\"> \u503c\u4e3a <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>all<\/code><\/span><span class=\"md-plain\"> \u7684\u5143\u7d20\u59cb\u7ec8\u4f1a\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u683c\u5f0f\u5316\u4e0a\u4e0b\u6587\uff0c\u5373\u4f7f\u8be5\u5143\u7d20\u6ca1\u6709\u5305\u88f9\u5728\u4e00\u4e2a\u591a\u5217\u5bb9\u5668\u4e2d\uff09<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u683c\u5f0f\u5316\u4e0a\u4e0b\u6587\u5f71\u54cd\u5e03\u5c40\uff0c\u901a\u5e38\uff0c\u6211\u4eec\u4f1a\u4e3a\u5b9a\u4f4d\u548c\u6e05\u9664\u6d6e\u52a8\u521b\u5efa\u65b0\u7684 BFC\uff0c\u800c\u4e0d\u662f\u66f4\u6539\u5e03\u5c40\uff0c\u56e0\u4e3a\u5b83\u5c06\uff1a<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u5305\u542b\u5185\u90e8\u6d6e\u52a8\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u6392\u9664\u5916\u90e8\u6d6e\u52a8\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u963b\u6b62<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5916\u8fb9\u8ddd\u91cd\u53e0<\/span><\/strong><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u5757\u7ea7\u683c\u5f0f\u5316\u4e0a\u4e0b\u6587\uff08BFC \uff09\u7684\u5e38\u7528\u573a\u666f<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u89e3\u51b3\u6d6e\u52a8\u5143\u7d20\u4f7f\u7236\u7ea7\u5143\u7d20\u7684\u9ad8\u5ea6\u574d\u584c\u95ee\u9898\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u89e3\u51b3\u975e\u6d6e\u52a8\u5143\u7d20\u88ab\u6d6e\u52a8\u5143\u7d20\u8986\u76d6\u95ee\u9898\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u89e3\u51b3\u76d2\u5b50\u9876\u5e95\u5916\u8fb9\u8ddd\u91cd\u5408\u95ee\u9898\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u4e24\u680f\u81ea\u9002\u5e94\u5e03\u5c40\uff0c\u4e00\u4fa7\u662f\u6709\u56fa\u5b9a\u5bbd\u5ea6\u548c\u6d6e\u52a8\u7684\u56fa\u5b9a\u680f\uff0c\u53e6\u4e00\u4fa7\u4e3a\u5f00\u542f BFC \u7684\u4e0d\u56fa\u5b9a\u680f\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3 class=\"md-end-block md-heading\"><span class=\"md-plain\">7.5 \u53d8\u91cf\uff08Custom Properties\uff09<\/span><\/h3>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\"> \u5b9a\u4e49\u548c\u590d\u7528\u6837\u5f0f\u503c\uff08\u53ef\u590d\u7528\u7684\u503c\uff09\uff1a<\/span><\/p>\n<pre class=\"md-fences md-end-block ty-contain-cm modeLoaded\" lang=\"css\" spellcheck=\"false\"><span role=\"presentation\">:<span class=\"cm-variable-3\">root<\/span> {<\/span>\r\n<span role=\"presentation\"> \u00a0<span class=\"cm-variable-2\">--primary-color<\/span>: <span class=\"cm-atom\">#3498db<\/span>;<\/span>\r\n<span role=\"presentation\">}<\/span>\r\n<span role=\"presentation\"><span class=\"cm-tag\">button<\/span> {<\/span>\r\n<span role=\"presentation\"> \u00a0<span class=\"cm-property\">background<\/span>: <span class=\"cm-atom\">var<\/span>(<span class=\"cm-variable-2\">--primary-color<\/span>);<\/span>\r\n<span role=\"presentation\">}<\/span><\/pre>\n<h3 class=\"md-end-block md-heading\"><span class=\"md-plain\">7.6 \u51fd\u6570\u4e0e\u8fd0\u7b97<\/span><\/h3>\n<ol class=\"ol-list\" start=\"\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u4f7f\u7528<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>calc()<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u8fdb\u884c\u52a8\u6001\u8ba1\u7b97\uff1a<\/span><\/p>\n<\/li>\n<\/ol>\n<pre class=\"md-fences md-end-block ty-contain-cm modeLoaded\" lang=\"css\" spellcheck=\"false\"><span role=\"presentation\"><span class=\"cm-tag\">width<\/span>: <span class=\"cm-variable-3\">calc<\/span>(<span class=\"cm-number\">100%<\/span> - <span class=\"cm-number\">20px<\/span>);<\/span><\/pre>\n<h3 class=\"md-end-block md-heading\"><span class=\"md-plain\">7.7 \u903b\u8f91\u5c5e\u6027\uff08Logical Properties\uff09<\/span><\/h3>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\"> \u57fa\u4e8e\u4e66\u5199\u6a21\u5f0f\uff08\u5982\u5de6\u5230\u53f3\u6216\u53f3\u5230\u5de6\uff09\u81ea\u52a8\u9002\u914d\u5e03\u5c40\uff1a<\/span><\/p>\n<pre class=\"md-fences md-end-block ty-contain-cm modeLoaded\" lang=\"css\" spellcheck=\"false\"><span role=\"presentation\"><span class=\"cm-qualifier\">.text<\/span> {<\/span>\r\n<span role=\"presentation\"> \u00a0<span class=\"cm-property cm-error\">margin-inline-start<\/span>: <span class=\"cm-number\">20px<\/span>; <span class=\"cm-comment\">\/* \u81ea\u52a8\u9002\u914d LTR\/RTL *\/<\/span><\/span>\r\n<span role=\"presentation\">}<\/span><\/pre>\n<h3 class=\"md-end-block md-heading\"><span class=\"md-plain\">7.8 \u52a8\u753b\u4e0e\u8fc7\u6e21<\/span><\/h3>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u8fc7\u6e21<\/span><\/strong><\/span><span class=\"md-plain\">\uff08Transition\uff09<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u901a\u8fc7 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>transition<\/code><\/span><span class=\"md-plain\"> \uff0c\u5e73\u6ed1\u6539\u53d8\u5c5e\u6027\u503c\uff0c\u5b9e\u73b0\u5e73\u6ed1\u52a8\u753b\u6548\u679c\uff0c\u63d0\u5347\u7528\u6237\u4f53\u9a8c\u3002\u4f7f\u9875\u9762\u5143\u7d20\u663e\u793a\u4ece\u4e00\u79cd\u6837\u5f0f\u8f6c\u53d8\u5230\u53e6\u4e00\u4e2a\u7684\u65f6\u5019\uff0c\u65e0\u9700\u4f7f\u7528 Flash \u52a8\u753b\u6216 JavaScript \u811a\u672c\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>transition<\/code><\/span><span class=\"md-plain\">\uff08\u8fc7\u6e21\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>property  duration  timing-function  delay;<\/code><\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u53ef\u7ec6\u5206\u4e3a\uff1a<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>transition-property<\/code><\/span><span class=\"md-plain\">\uff08\u9700\u8981\u5e94\u7528\u8fc7\u6e21\u7684 CSS \u5c5e\u6027\u540d\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>`none | all | property<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>transition-duration<\/code><\/span><span class=\"md-plain\">\uff08\u5b9a\u4e49\u8fc7\u6e21\u6548\u679c\u9700\u8981\u82b1\u8d39\u7684\u65f6\u95f4\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>time<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>transition-timing-function<\/code><\/span><span class=\"md-plain\">\uff08\u89c4\u5b9a\u8fc7\u6e21\u6548\u679c\u7684\u65f6\u95f4\u66f2\u7ebf\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>linear | ease | ease-in | ease-out | ease-in-out | cubic-bezier(n,n,n,n)<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>linear<\/code><\/span><span class=\"md-plain\">\uff1a\u5300\u901f\u8fc7\u6e21\u6548\u679c\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>ease<\/code><\/span><span class=\"md-plain\">\uff1a\u9ed8\u8ba4\u503c\uff0c\u7f13\u6162\u52a0\u901f\uff0c\u7136\u540e\u7f13\u6162\u51cf\u901f\u7684\u8fc7\u6e21\u6548\u679c\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>ease-in<\/code><\/span><span class=\"md-plain\">\uff1a\u7f13\u6162\u52a0\u901f\u7684\u8fc7\u6e21\u6548\u679c\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>ease-out<\/code><\/span><span class=\"md-plain\">\uff1a\u7f13\u6162\u51cf\u901f\u7684\u8fc7\u6e21\u6548\u679c\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>ease-in-out<\/code><\/span><span class=\"md-plain\">\uff1a\u5148\u7f13\u6162\u52a0\u901f\uff0c\u518d\u7f13\u6162\u51cf\u901f\u7684\u8fc7\u6e21\u6548\u679c\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>cubic-bezier(n,n,n,n)<\/code><\/span><span class=\"md-plain\">\uff1a\u81ea\u5b9a\u4e49\u7684\u8d1d\u585e\u5c14\u66f2\u7ebf\u51fd\u6570\uff0c\u901a\u8fc7\u56db\u4e2a\u503c\u6765\u5b9a\u4e49\u66f2\u7ebf\u7684\u63a7\u5236\u70b9\uff0c\u5206\u522b\u5bf9\u5e94 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>x1<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>y1<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>x2<\/code><\/span><span class=\"md-plain\">\u3001<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>y2<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>transition-delay<\/code><\/span><span class=\"md-plain\">\uff08\u8fc7\u6e21\u6548\u679c\u5ef6\u8fdf\u5f00\u59cb\u7684\u65f6\u95f4\uff0c\u9ed8\u8ba4\u662f0\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>time<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<pre class=\"md-fences md-end-block ty-contain-cm modeLoaded\" lang=\"css\" spellcheck=\"false\"><span role=\"presentation\"><span class=\"cm-qualifier\">.button<\/span> {<\/span>\r\n<span role=\"presentation\"> \u00a0 \u00a0<span class=\"cm-property\">background-color<\/span>: <span class=\"cm-keyword\">blue<\/span>;<\/span>\r\n<span role=\"presentation\"> \u00a0 \u00a0<span class=\"cm-property\">transition<\/span>: <span class=\"cm-variable\">background-color<\/span> <span class=\"cm-number\">0.3s<\/span> <span class=\"cm-atom\">ease<\/span>; <span class=\"cm-comment\">\/* \u8fc7\u6e21 *\/<\/span><\/span>\r\n<span role=\"presentation\">}<\/span>\r\n<span role=\"presentation\"><span class=\"cm-qualifier\">.button<\/span>:<span class=\"cm-variable-3\">hover<\/span> { <span class=\"cm-comment\">\/* \u60ac\u505c\u65f6\u989c\u8272\u6e10\u53d8 *\/<\/span><\/span>\r\n<span role=\"presentation\"> \u00a0 \u00a0<span class=\"cm-property\">background-color<\/span>: <span class=\"cm-keyword\">red<\/span>; <\/span>\r\n<span role=\"presentation\">}<\/span>\r\n<span role=\"presentation\">\u200b<\/span>\r\n<span role=\"presentation\"><span class=\"cm-qualifier\">.box<\/span> {<\/span>\r\n<span role=\"presentation\"> \u00a0 \u00a0<span class=\"cm-property\">transition<\/span>: <span class=\"cm-atom\">transform<\/span> <span class=\"cm-number\">0.3s<\/span> <span class=\"cm-atom\">ease<\/span>; <span class=\"cm-comment\">\/* \u8fc7\u6e21 *\/<\/span><\/span>\r\n<span role=\"presentation\">}<\/span>\r\n<span role=\"presentation\"><span class=\"cm-qualifier\">.box<\/span>:<span class=\"cm-variable-3\">hover<\/span> { <span class=\"cm-comment\">\/* \u60ac\u505c\u65f6\u989c\u8272\u6e10\u53d8 *\/<\/span><\/span>\r\n<span role=\"presentation\"> \u00a0 \u00a0<span class=\"cm-property\">transform<\/span>: <span class=\"cm-atom\">scale<\/span>(<span class=\"cm-number\">1.1<\/span>);<\/span>\r\n<span role=\"presentation\">}<\/span><\/pre>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u52a8\u753b<\/span><\/strong><\/span><span class=\"md-plain\">\uff08Animation\uff09<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u901a\u8fc7 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>@keyframes<\/code><\/span><span class=\"md-plain\"> \u5b9a\u4e49\u590d\u6742\u52a8\u753b\uff0c\u63d0\u5347\u7528\u6237\u4f53\u9a8c\u3002CSS \u52a8\u753b\u53ef\u4ee5\u53d6\u4ee3\u8bb8\u591a\u7f51\u9875\u52a8\u753b\u56fe\u50cf\u3001Flash \u52a8\u753b\u548c JavaScript \u5b9e\u73b0\u7684\u6548\u679c\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>animation<\/code><\/span><span class=\"md-plain\">\uff08\u52a8\u753b\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>name  duration  timing-function  delay  iteration-count  direction  fill-mode  play-state;<\/code><\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>animation-name<\/code><\/span><span class=\"md-plain\">\uff08\u6307\u5b9a\u8981\u7ed1\u5b9a\u5230\u9009\u62e9\u5668\u7684\u5173\u952e\u5e27\u7684\u540d\u79f0\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>keyframename | none<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>animation-duration<\/code><\/span><span class=\"md-plain\">\uff08\u6307\u5b9a\u52a8\u753b\u9700\u8981\u591a\u5c11\u79d2\u6216\u6beb\u79d2\u5b8c\u6210\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>time<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>animation-timing-function<\/code><\/span><span class=\"md-plain\">\uff08\u8bbe\u7f6e\u52a8\u753b\u5c06\u5982\u4f55\u5b8c\u6210\u4e00\u4e2a\u5468\u671f\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>linear | ease | ease-in | ease-out | ease-in-out | steps(int,start|end) | cubic-bezier(n,n,n,n)<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>linear<\/code><\/span><span class=\"md-plain\">\uff1a\u52a8\u753b\u4ece\u5934\u5230\u5c3e\u7684\u901f\u5ea6\u662f\u76f8\u540c\u7684\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>ease<\/code><\/span><span class=\"md-plain\">\uff1a\u9ed8\u8ba4\u3002\u52a8\u753b\u4ee5\u4f4e\u901f\u5f00\u59cb\uff0c\u7136\u540e\u52a0\u5feb\uff0c\u5728\u7ed3\u675f\u524d\u53d8\u6162\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>ease-in<\/code><\/span><span class=\"md-plain\">\uff1a\u52a8\u753b\u4ee5\u4f4e\u901f\u5f00\u59cb\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>ease-out<\/code><\/span><span class=\"md-plain\">\uff1a\u52a8\u753b\u4ee5\u4f4e\u901f\u7ed3\u675f\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>ease-in-out<\/code><\/span><span class=\"md-plain\">\uff1a\u52a8\u753b\u4ee5\u4f4e\u901f\u5f00\u59cb\u548c\u7ed3\u675f\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>steps(int,start|end)<\/code><\/span><span class=\"md-plain\">\uff1a\u6307\u5b9a\u4e86\u65f6\u95f4\u51fd\u6570\u4e2d\u7684\u95f4\u9694\u6570\u91cf\uff08\u6b65\u957f\uff09\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>int<\/code><\/span><span class=\"md-plain\"> \u6307\u5b9a\u51fd\u6570\u7684\u95f4\u9694\u6570\uff0c\u8be5\u53c2\u6570\u662f\u4e00\u4e2a\u6b63\u6574\u6570\uff08\u5927\u4e8e 0\uff09\u3002 <\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>start|end<\/code><\/span><span class=\"md-plain\"> \u8868\u793a\u52a8\u753b\u662f\u4ece\u65f6\u95f4\u6bb5\u7684\u5f00\u5934\u8fde\u7eed\uff08start \u76f4\u63a5\u5f00\u59cb\uff09\u8fd8\u662f\u672b\u5c3e\u8fde\u7eed\uff08end \u621b\u7136\u800c\u6b62\uff09\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>cubic-bezier(n,n,n,n)<\/code><\/span><span class=\"md-plain\">\uff1a\u5728 cubic-bezier \u51fd\u6570\u4e2d\u81ea\u5df1\u7684\u503c\u3002\u53ef\u80fd\u7684\u503c\u662f\u4ece 0 \u5230 1 \u7684\u6570\u503c\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>animation-delay<\/code><\/span><span class=\"md-plain\">\uff08\u8bbe\u7f6e\u52a8\u753b\u5728\u542f\u52a8\u524d\u7684\u5ef6\u8fdf\u65f6\u95f4\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>time<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>animation-iteration-count<\/code><\/span><span class=\"md-plain\">\uff08\u5b9a\u4e49\u52a8\u753b\u7684\u64ad\u653e\u6b21\u6570\u6216\u65e0\u9650\u6b21\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>n | infinite<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>animation-direction<\/code><\/span><span class=\"md-plain\">\uff08\u6307\u5b9a\u662f\u5426\u5e94\u8be5\u8f6e\u6d41\u53cd\u5411\u64ad\u653e\u52a8\u753b\u3002\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>normal | reverse | alternate | alternate-reverse | initial | inherit<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>normal<\/code><\/span><span class=\"md-plain\">\uff1a\u9ed8\u8ba4\u503c\u3002\u52a8\u753b\u6309\u6b63\u5e38\u64ad\u653e\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>reverse<\/code><\/span><span class=\"md-plain\">\uff1a\u52a8\u753b\u53cd\u5411\u64ad\u653e\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>alternate<\/code><\/span><span class=\"md-plain\">\uff1a\u52a8\u753b\u5728\u5947\u6570\u6b21\uff081\u30013\u30015&#8230;\uff09\u6b63\u5411\u64ad\u653e\uff0c\u5728\u5076\u6570\u6b21\uff082\u30014\u30016&#8230;\uff09\u53cd\u5411\u64ad\u653e\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>alternate-reverse<\/code><\/span><span class=\"md-plain\">\uff1a\u52a8\u753b\u5728\u5947\u6570\u6b21\uff081\u30013\u30015&#8230;\uff09\u53cd\u5411\u64ad\u653e\uff0c\u5728\u5076\u6570\u6b21\uff082\u30014\u30016&#8230;\uff09\u6b63\u5411\u64ad\u653e\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>initial<\/code><\/span><span class=\"md-plain\">\uff1a\u8bbe\u7f6e\u8be5\u5c5e\u6027\u4e3a\u5b83\u7684\u9ed8\u8ba4\u503c\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>inherit<\/code><\/span><span class=\"md-plain\">\uff1a\u4ece\u7236\u5143\u7d20\u7ee7\u627f\u8be5\u5c5e\u6027\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>animation-fill-mode<\/code><\/span><span class=\"md-plain\">\uff08\u5f53\u52a8\u753b\u4e0d\u64ad\u653e\u65f6\u3001\u5b8c\u6210\u65f6\uff0c\u6216\u6709\u5ef6\u8fdf\u672a\u5f00\u59cb\u64ad\u653e\u65f6\uff0c\u8981\u5e94\u7528\u5230\u5143\u7d20\u7684\u6837\u5f0f\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>none | forwards | backwards | both | initial | inherit<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>none<\/code><\/span><span class=\"md-plain\">\uff1a\u9ed8\u8ba4\u503c\u3002\u52a8\u753b\u5728\u52a8\u753b\u6267\u884c\u4e4b\u524d\u548c\u4e4b\u540e\u4e0d\u4f1a\u5e94\u7528\u4efb\u4f55\u6837\u5f0f\u5230\u76ee\u6807\u5143\u7d20\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>forwards<\/code><\/span><span class=\"md-plain\">\uff1a\u5728\u52a8\u753b\u7ed3\u675f\u540e\uff08\u7531 animation-iteration-count \u51b3\u5b9a\uff09\uff0c\u52a8\u753b\u5c06\u5e94\u7528\u8be5\u5c5e\u6027\u503c\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>backwards<\/code><\/span><span class=\"md-plain\">\uff1a\u52a8\u753b\u5c06\u5e94\u7528\u5728 animation-delay \u5b9a\u4e49\u671f\u95f4\u542f\u52a8\u52a8\u753b\u7684\u7b2c\u4e00\u6b21\u8fed\u4ee3\u7684\u5173\u952e\u5e27\u4e2d\u5b9a\u4e49\u7684\u5c5e\u6027\u503c\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>both<\/code><\/span><span class=\"md-plain\">\uff1a\u52a8\u753b\u9075\u5faa forwards \u548c backwards \u7684\u89c4\u5219\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u52a8\u753b\u4f1a\u5728\u4e24\u4e2a\u65b9\u5411\u4e0a\u6269\u5c55\u52a8\u753b\u5c5e\u6027\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>initial<\/code><\/span><span class=\"md-plain\">\uff1a\u8bbe\u7f6e\u8be5\u5c5e\u6027\u4e3a\u5b83\u7684\u9ed8\u8ba4\u503c\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>inherit<\/code><\/span><span class=\"md-plain\">\uff1a\u4ece\u7236\u5143\u7d20\u7ee7\u627f\u8be5\u5c5e\u6027\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s\" spellcheck=\"false\"><code>animation-play-state<\/code><\/span><span class=\"md-plain\">\uff08\u6307\u5b9a\u52a8\u753b\u662f\u5426\u6b63\u5728\u8fd0\u884c\u6216\u5df2\u6682\u505c\uff09\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>paused | running<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<pre class=\"md-fences md-end-block ty-contain-cm modeLoaded\" lang=\"css\" spellcheck=\"false\"><span role=\"presentation\"><span class=\"cm-comment\">\/* \u5173\u952e\u5e27\u52a8\u753b *\/<\/span><\/span>\r\n<span role=\"presentation\"><span class=\"cm-def\">@keyframes<\/span> <span class=\"cm-variable\">fadeIn<\/span> {<\/span>\r\n<span role=\"presentation\"> \u00a0 \u00a0<span class=\"cm-tag\">from<\/span> { <span class=\"cm-property\">opacity<\/span>: <span class=\"cm-number\">0<\/span>; }<\/span>\r\n<span role=\"presentation\"> \u00a0 \u00a0<span class=\"cm-tag\">to<\/span> { <span class=\"cm-property\">opacity<\/span>: <span class=\"cm-number\">1<\/span>; }<\/span>\r\n<span role=\"presentation\">}<\/span>\r\n<span role=\"presentation\"><span class=\"cm-qualifier\">.element<\/span> {<\/span>\r\n<span role=\"presentation\"> \u00a0 \u00a0<span class=\"cm-property\">animation<\/span>: <span class=\"cm-variable\">fadeIn<\/span> <span class=\"cm-number\">2s<\/span> <span class=\"cm-atom\">forwards<\/span>; <\/span>\r\n<span role=\"presentation\">}<\/span>\r\n<span role=\"presentation\">\u200b<\/span>\r\n<span role=\"presentation\"><span class=\"cm-def\">@keyframes<\/span> <span class=\"cm-variable\">slide<\/span> {<\/span>\r\n<span role=\"presentation\"> \u00a0 \u00a0<span class=\"cm-number\">0%<\/span> {<\/span>\r\n<span role=\"presentation\"> \u00a0 \u00a0 \u00a0 \u00a0<span class=\"cm-property\">transform<\/span>: <span class=\"cm-atom\">translateX<\/span>(<span class=\"cm-number\">0<\/span>); <\/span>\r\n<span role=\"presentation\"> \u00a0  }<\/span>\r\n<span role=\"presentation\"> \u00a0 \u00a0<span class=\"cm-number\">100%<\/span> {<\/span>\r\n<span role=\"presentation\"> \u00a0 \u00a0 \u00a0 \u00a0<span class=\"cm-property\">transform<\/span>: <span class=\"cm-atom\">translateX<\/span>(<span class=\"cm-number\">100px<\/span>); <\/span>\r\n<span role=\"presentation\"> \u00a0  }<\/span>\r\n<span role=\"presentation\">}<\/span>\r\n<span role=\"presentation\">\u200b<\/span>\r\n<span role=\"presentation\"><span class=\"cm-qualifier\">.animate<\/span> {<\/span>\r\n<span role=\"presentation\"> \u00a0 \u00a0<span class=\"cm-property\">animation<\/span>: <span class=\"cm-atom\">slide<\/span> <span class=\"cm-number\">2s<\/span> <span class=\"cm-atom\">infinite<\/span>;<\/span>\r\n<span role=\"presentation\">}<\/span><\/pre>\n<h3 class=\"md-end-block md-heading\"><span class=\"md-plain\">7.9 CSS \u7684\u5916\u8fb9\u8ddd\u6298\u53e0<\/span><\/h3>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\"> \u533a\u5757\u7684\u4e0a\u4e0b<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5916\u8fb9\u8ddd<\/span><\/strong><\/span><span class=\"md-plain\">\u6709\u65f6\u4f1a\u5408\u5e76\uff08\u6298\u53e0\uff09\u4e3a\u5355\u4e2a\u8fb9\u8ddd\uff0c\u5176\u5927\u5c0f\u4e3a\u4e24\u4e2a\u8fb9\u8ddd\u4e2d\u7684\u6700\u5927\u503c\uff08\u6216\u5982\u679c\u5b83\u4eec\u76f8\u7b49\uff0c\u5219\u4ec5\u4e3a\u5176\u4e2d\u4e00\u4e2a\uff09\uff0c\u8fd9\u79cd\u884c\u4e3a\u79f0\u4e3a<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5916\u8fb9\u8ddd\u6298\u53e0<\/span><\/strong><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\"> \u6ce8\u610f\uff1a\u6709\u8bbe\u5b9a<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u6d6e\u52a8<\/span><\/strong><\/span><span class=\"md-plain\">\u548c<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u7edd\u5bf9\u5b9a\u4f4d<\/span><\/strong><\/span><span class=\"md-plain\">\u7684\u5143\u7d20\u4e0d\u4f1a\u53d1\u751f\u5916\u8fb9\u8ddd\u6298\u53e0\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\"> \u6709\u4e09\u79cd\u60c5\u51b5\u4f1a\u5f62\u6210\u5916\u8fb9\u8ddd\u6298\u53e0\uff1a<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u76f8\u90bb\u7684\u5144\u5f1f\u5143\u7d20<\/span><\/strong><\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u76f8\u90bb\u7684\u540c\u7ea7\u5143\u7d20\u4e4b\u95f4\u7684\u5916\u8fb9\u8ddd\u4f1a\u88ab\u6298\u53e0\uff08\u9664\u975e\u540e\u9762\u7684\u5143\u7d20\u9700\u8981<\/span><span class=\"md-meta-i-c md-link\"><a spellcheck=\"false\" href=\"https:\/\/developer.mozilla.org\/zh-CN\/docs\/Web\/CSS\/clear\"><span class=\"md-plain\">\u6e05\u9664<\/span><\/a><\/span><span class=\"md-plain\">\u4e4b\u524d\u7684\u6d6e\u52a8\uff09\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u6ca1\u6709\u5185\u5bb9\u5c06\u7236\u5143\u7d20\u548c\u540e\u4ee3\u5143\u7d20\u5206\u5f00<\/span><\/strong><\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u5982\u679c\u6ca1\u6709\u8bbe\u5b9a\u8fb9\u6846\uff08border\uff09\u3001\u5185\u8fb9\u8ddd\uff08padding\uff09\u3001\u884c\u7ea7\uff08inline\uff09\u5185\u5bb9\uff0c\u4e5f\u6ca1\u6709\u521b\u5efa<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u533a\u5757\u683c\u5f0f\u5316\u4e0a\u4e0b\u6587<\/span><\/strong><\/span><span class=\"md-plain\">\u6216<\/span><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u95f4\u9699<\/span><\/strong><\/span><span class=\"md-plain\">\u6765\u5206\u9694\u5757\u7ea7\u5143\u7d20\u7684\u4e0a\u8fb9\u8ddd <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>margin-top<\/code><\/span><span class=\"md-plain\"> \u4e0e\u5176\u5185\u4e00\u4e2a\u6216\u591a\u4e2a\u5b50\u4ee3\u5757\u7ea7\u5143\u7d20\u7684\u4e0a\u8fb9\u8ddd <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>margin-top<\/code><\/span><span class=\"md-plain\">\uff1b<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u6216\u8005\u6ca1\u6709\u8bbe\u5b9a\u8fb9\u6846\u3001\u5185\u8fb9\u8ddd\u3001\u884c\u7ea7\u5185\u5bb9\u3001\u9ad8\u5ea6 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>height<\/code><\/span><span class=\"md-plain\"> \u6216\u6700\u5c0f\u9ad8\u5ea6 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>min-height<\/code><\/span><span class=\"md-plain\"> \u6765\u5206\u9694\u5757\u7ea7\u5143\u7d20\u7684\u4e0b\u8fb9\u8ddd <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>margin-bottom<\/code><\/span><span class=\"md-plain\"> \u4e0e\u5176\u5185\u90e8\u7684\u4e00\u4e2a\u6216\u591a\u4e2a\u540e\u4ee3\u540e\u4ee3\u5757\u5143\u7d20\u7684\u4e0b\u8fb9\u8ddd <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>margin-bottom<\/code><\/span><span class=\"md-plain\">\uff0c\u5219\u4f1a\u51fa\u73b0\u8fd9\u4e9b\u5916\u8fb9\u8ddd\u7684\u6298\u53e0\uff0c\u91cd\u53e0\u90e8\u5206\u6700\u7ec8\u4f1a\u6ea2\u51fa\u5230\u7236\u4ee3\u5143\u7d20\u7684\u5916\u9762\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u7a7a\u7684\u533a\u5757<\/span><\/strong><\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u5982\u679c\u5757\u7ea7\u5143\u7d20\u6ca1\u6709\u8bbe\u5b9a\u8fb9\u6846\u3001\u5185\u8fb9\u8ddd\u3001\u884c\u7ea7\u5185\u5bb9\u3001\u9ad8\u5ea6<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>height<\/code><\/span><span class=\"md-plain\">\u3001\u6700\u5c0f\u9ad8\u5ea6<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>min-height<\/code><\/span><span class=\"md-plain\">\u6765\u5206\u9694\u5757\u7ea7\u5143\u7d20\u7684\u4e0a\u8fb9\u8ddd <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>margin-top<\/code><\/span><span class=\"md-plain\"> \u53ca\u5176\u4e0b\u8fb9\u8ddd <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>margin-bottom<\/code><\/span><span class=\"md-plain\">\uff0c\u5219\u4f1a\u51fa\u73b0\u5176\u4e0a\u4e0b\u5916\u8fb9\u8ddd\u7684\u6298\u53e0\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<h3 class=\"md-end-block md-heading\"><span class=\"md-plain\">7.10 \u73b0\u4ee3 CSS \u65b0\u7279\u6027<\/span><\/h3>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u6eda\u52a8\u6761\u6837\u5f0f<\/span><\/strong><\/span><span class=\"md-plain\">\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>scrollbar-gutter<\/code><\/span><span class=\"md-plain\"> \u548c <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>scrollbar-color<\/code><\/span><span class=\"md-plain\">\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">Ruby \u6392\u7248<\/span><\/strong><\/span><span class=\"md-plain\">\uff1a<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>ruby-align<\/code><\/span><span class=\"md-plain\"> \u548c <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>ruby-position<\/code><\/span><span class=\"md-plain\">\uff08\u7528\u4e8e\u6ce8\u97f3\u6587\u672c\uff09\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u951a\u70b9\u5b9a\u4f4d\uff08Anchor Positioning\uff09<\/span><\/strong><\/span><span class=\"md-plain\">\uff1a\u7b80\u5316\u52a8\u6001\u5b9a\u4f4d\uff08\u5982\u5f39\u51fa\u6846\uff09\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5d4c\u5957\uff08Nesting\uff09<\/span><\/strong><\/span><span class=\"md-plain\">\uff1a\u652f\u6301\u7c7b\u4f3c Sass \u7684\u5d4c\u5957\u8bed\u6cd5\uff08\u9700\u6d4f\u89c8\u5668\u652f\u6301\uff09\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<div class=\"md-hr md-end-block\" tabindex=\"-1\">\n<hr \/>\n<\/div>\n<h2 class=\"md-end-block md-heading\"><span class=\"md-plain\">8 \u73b0\u4ee3 CSS \u6280\u672f<\/span><\/h2>\n<h3 class=\"md-end-block md-heading\"><span class=\"md-plain\">8.1 CSS \u9884\u5904\u7406\u5668<\/span><\/h3>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u5982 Sass\/Less\uff0c\u652f\u6301\u5d4c\u5957\u3001\u53d8\u91cf\u3001\u6df7\u5408\u5b8f\uff1a<\/span><\/p>\n<pre class=\"md-fences md-end-block ty-contain-cm modeLoaded\" lang=\"scss\" spellcheck=\"false\"><span role=\"presentation\"><span class=\"cm-variable-2\">$primary<\/span>: <span class=\"cm-atom\">#3498db<\/span>;<\/span>\r\n<span role=\"presentation\"><span class=\"cm-qualifier\">.button<\/span> {<\/span>\r\n<span role=\"presentation\"> \u00a0<span class=\"cm-property\">background<\/span>: <span class=\"cm-variable-2\">$primary<\/span>;<\/span>\r\n<span role=\"presentation\">  &amp;:<span class=\"cm-variable-3\">hover<\/span> { <span class=\"cm-property\">background<\/span>: <span class=\"cm-atom\">darken<\/span>(<span class=\"cm-variable-2\">$primary<\/span>, <span class=\"cm-number\">10%<\/span>); }<\/span>\r\n<span role=\"presentation\">}<\/span><\/pre>\n<h3 class=\"md-end-block md-heading\"><span class=\"md-plain\">8.2 CSS \u6846\u67b6<\/span><\/h3>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">Bootstrap\u3001Tailwind CSS \u7b49\u63d0\u4f9b\u9884\u8bbe\u7ec4\u4ef6\u4e0e\u5de5\u5177\u7c7b\u3002<\/span><\/p>\n<h3 class=\"md-end-block md-heading\"><span class=\"md-plain\">8.3 CSS-in-JS<\/span><\/h3>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u5728 JavaScript \u4e2d\u7f16\u5199 CSS\uff08\u5982Styled Components\uff09\u3002<\/span><\/p>\n<div class=\"md-hr md-end-block\" tabindex=\"-1\">\n<hr \/>\n<\/div>\n<h2 class=\"md-end-block md-heading\"><span class=\"md-plain\">9 \u5b66\u4e60\u5b9e\u8df5\u5efa\u8bae<\/span><\/h2>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u4f7f\u7528\u5916\u90e8\u6837\u5f0f\u8868<\/span><\/strong><\/span><span class=\"md-plain\">\uff1a\u63d0\u5347\u4ee3\u7801\u590d\u7528\u7387\u4e0e\u53ef\u7ef4\u62a4\u6027\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u907f\u514d\u6ee5\u7528<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>!important<\/code><\/span><\/strong><\/span><span class=\"md-plain\">\uff1a\u9632\u6b62\u4f18\u5148\u7ea7\u6df7\u4e71\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u91c7\u7528CSS\u9884\u5904\u7406\u5668<\/span><\/strong><\/span><span class=\"md-plain\">\uff1a\u5982 Sass\/Less\uff0c\u652f\u6301\u53d8\u91cf\u3001\u5d4c\u5957\u7b49\u9ad8\u7ea7\u529f\u80fd\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u547d\u540d\u89c4\u8303<\/span><\/strong><\/span><span class=\"md-plain\">\uff1a\u4f7f\u7528BEM\uff08Block__Element&#8211;Modifier\uff09\u63d0\u9ad8\u53ef\u7ef4\u62a4\u6027\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u6027\u80fd\u4f18\u5316<\/span><\/strong><\/span><span class=\"md-plain\">\uff1a<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u51cf\u5c11\u9009\u62e9\u5668\u590d\u6742\u5ea6\uff08\u907f\u514d<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>div &gt; ul &gt; li<\/code><\/span><span class=\"md-plain\">\uff09<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u4f7f\u7528 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>transform<\/code><\/span><span class=\"md-plain\">\/<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>opacity<\/code><\/span><span class=\"md-plain\"> \u89e6\u53d1GPU\u52a0\u901f\u52a8\u753b<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u6d4f\u89c8\u5668\u517c\u5bb9\u6027<\/span><\/strong><\/span><span class=\"md-plain\">\uff1a\u901a\u8fc7 Autoprefixer \u7b49\u5de5\u5177\u81ea\u52a8\u6dfb\u52a0\u5382\u5546\u524d\u7f00\uff08\u5982<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>-webkit-<\/code><\/span><span class=\"md-plain\">\uff09\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<div class=\"md-hr md-end-block\" tabindex=\"-1\">\n<hr \/>\n<\/div>\n<h2 class=\"md-end-block md-heading\"><span class=\"md-plain\">10 \u5b66\u4e60\u8d44\u6e90<\/span><\/h2>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u6587\u6863\u6559\u7a0b<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-meta-i-c md-link\"><a spellcheck=\"false\" href=\"https:\/\/developer.mozilla.org\/zh-CN\/docs\/Web\/CSS\"><span class=\"md-plain\">MDN CSS\u6559\u7a0b<\/span><\/a><\/span><span class=\"md-plain\">\uff08\u5b98\u65b9\u6587\u6863\uff09\uff08developer.mozilla.org\uff09<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-meta-i-c md-link\"><a spellcheck=\"false\" href=\"https:\/\/www.runoob.com\/css\/css-tutorial.html\"><span class=\"md-plain\">CSS \u6559\u7a0b | \u83dc\u9e1f\u6559\u7a0b<\/span><\/a><\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u5728\u7ebf\u5de5\u5177<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-meta-i-c md-link\"><a spellcheck=\"false\" href=\"https:\/\/css-tricks.com\/\"><span class=\"md-plain\">CSS Tricks\u6307\u5357<\/span><\/a><\/span><span class=\"md-plain\">\uff08\u5b9e\u6218\u6280\u5de7\u548c\u5e03\u5c40\u793a\u4f8b\uff09\uff08css-tricks.com\uff09<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u8fdb\u9636\u6280\u5de7\u4e0e\u6848\u4f8b<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-meta-i-c md-link\"><a spellcheck=\"false\" href=\"https:\/\/flexboxfroggy.com\/\"><span class=\"md-plain\">Flexbox\u5c0f\u6e38\u620f<\/span><\/a><\/span><span class=\"md-plain\">\uff08\u4ea4\u4e92\u5f0fFlexbox\u7ec3\u4e60\u6e38\u620f\uff09\uff08flexboxfroggy.com\uff09<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-meta-i-c md-link\"><a spellcheck=\"false\" href=\"https:\/\/cssgridgarden.com\/\"><span class=\"md-plain\">Grid\u5c0f\u6e38\u620f<\/span><\/a><\/span><span class=\"md-plain\">\uff08Grid\u5e03\u5c40\u5b66\u4e60\u5de5\u5177)\uff08cssgridgarden.com\uff09<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-meta-i-c md-link\"><a spellcheck=\"false\" href=\"https:\/\/codepip.com\/games\/anchoreum\/\"><span class=\"md-plain\">anchoreum<\/span><\/a><\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u7f51\u683c\u5e03\u5c40\u5de5\u5177<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-meta-i-c md-link\"><a spellcheck=\"false\" href=\"https:\/\/cssgridgenerator.io\/\"><span class=\"md-plain\">CSS Grid Generator (Drag &amp; Drop)<\/span><\/a><\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u6846\u67b6<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-meta-i-c md-link\"><a spellcheck=\"false\" href=\"https:\/\/tailwindcss.com\/\"><span class=\"md-plain\">Tailwind CSS<\/span><\/a><\/span><span class=\"md-plain\">\uff08\u5b9e\u7528\u4f18\u5148\u7684 CSS \u6846\u67b6\uff09<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-meta-i-c md-link\"><a spellcheck=\"false\" href=\"https:\/\/getbootstrap.com\/\"><span class=\"md-plain\">Bootstrap<\/span><\/a><\/span><span class=\"md-plain\">\uff08\u54cd\u5e94\u5f0f UI \u7ec4\u4ef6\u5e93\uff09<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u4e66\u7c4d<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u300aCSS \u57fa\u7840\u6559\u7a0b\u300b\uff08Simon Collison\uff09<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u300aCSS \u6743\u5a01\u6307\u5357\u300b\uff08Eric A. Meyer\uff09<\/span><\/p>\n<\/li>\n<\/ul>\n<div class=\"md-hr md-end-block\" tabindex=\"-1\">\n<hr \/>\n<\/div>\n<h2 class=\"md-end-block md-heading\"><span class=\"md-plain\">11 \u603b\u7ed3<\/span><\/h2>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\"> CSS \u662f\u524d\u7aef\u5f00\u53d1\u7684\u57fa\u77f3\u4e4b\u4e00\uff0c\u4e0e HTML\uff08\u7ed3\u6784\uff09\u3001JavaScript\uff08\u884c\u4e3a\uff09\u5e76\u79f0\u7f51\u9875\u4e09\u5251\u5ba2\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\"> CSS \u4f5c\u4e3a\u7f51\u9875\u8bbe\u8ba1\u7684\u6838\u5fc3\u8bed\u8a00\uff0c\u901a\u8fc7\u7b80\u6d01\u7684\u8bed\u6cd5\u5b9e\u73b0\u5bf9\u7f51\u9875\u6837\u5f0f\u7684\u7cbe\u7ec6\u63a7\u5236\u3002CSS \u901a\u8fc7\u5c42\u53e0\u3001\u7ee7\u627f\u7b49\u673a\u5236\u5b9e\u73b0\u6837\u5f0f\u4e0e\u7ed3\u6784\u7684\u5206\u79bb\uff0c\u663e\u8457\u63d0\u5347\u5f00\u53d1\u6548\u7387\u4e0e\u7528\u6237\u4f53\u9a8c\u3002\u4ece\u57fa\u7840\u7684\u6587\u672c\u7f8e\u5316\u5230\u590d\u6742\u7684\u54cd\u5e94\u5f0f\u5e03\u5c40\uff0c\u5176\u529f\u80fd\u8986\u76d6\u73b0\u4ee3\u7f51\u9875\u5f00\u53d1\u7684\u5168\u573a\u666f\u3002\u638c\u63e1\u9009\u62e9\u5668\u3001\u76d2\u6a21\u578b\u3001\u5e03\u5c40\u6280\u672f\u7b49\u8981\u70b9\uff0c\u662f\u6784\u5efa\u9ad8\u6027\u80fd\u3001\u53ef\u7ef4\u62a4\u7f51\u7ad9\u7684\u5173\u952e\u3002<\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\"> CSS \u901a\u8fc7\u63a8\u52a8\u54cd\u5e94\u5f0f\u8bbe\u8ba1\u4e0e\u52a8\u6001\u6548\u679c\u7684\u666e\u53ca\uff0c\u4e0d\u65ad\u6f14\u8fdb\uff08\u5982 CSS3 \u6a21\u5757\u5316\u3001\u53d8\u91cf <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>--var()<\/code><\/span><span class=\"md-plain\">\u3001\u5bb9\u5668\u67e5\u8be2 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>@container<\/code><\/span><span class=\"md-plain\">\uff09\uff0c\u6301\u7eed\u63d0\u5347\u5f00\u53d1\u8005\u5bf9\u6837\u5f0f\u7684\u5e95\u5c42\u63a7\u5236\u80fd\u529b\uff0c\u662f\u6784\u5efa\u73b0\u4ee3 Web \u754c\u9762\u7684\u57fa\u77f3\uff0c\u662f\u6784\u5efa\u73b0\u4ee3 Web \u754c\u9762\u4e0d\u53ef\u6216\u7f3a\u7684\u5de5\u5177\u3002<\/span><\/p>\n<div class=\"md-hr md-end-block\" tabindex=\"-1\">\n<hr \/>\n<\/div>\n<h2 class=\"md-end-block md-heading\"><span class=\"md-plain\">\u5185\u5bb9\u76ee\u5f55<\/span><\/h2>\n<div class=\"md-toc md-end-block\" tabindex=\"-1\">\n<p class=\"md-toc-content\" role=\"list\"><span class=\"md-toc-item md-toc-h1\" role=\"listitem\" data-ref=\"n2998\"><a class=\"md-toc-inner\">Web-CSS-Study<\/a><\/span><\/p>\n<p class=\"md-toc-content\" role=\"list\"><span class=\"md-toc-item md-toc-h2\" role=\"listitem\" data-ref=\"n3011\"><a class=\"md-toc-inner\">1 \u6982\u8ff0<\/a><\/span><\/p>\n<p class=\"md-toc-content\" role=\"list\"><span class=\"md-toc-item md-toc-h3\" role=\"listitem\" data-ref=\"n3012\"><a class=\"md-toc-inner\">1.1 CSS \u7684\u57fa\u672c\u6982\u5ff5<\/a><\/span><span class=\"md-toc-item md-toc-h3\" role=\"listitem\" data-ref=\"n3017\"><a class=\"md-toc-inner\">1.2 CSS \u7684\u53d1\u5c55\u5386\u7a0b<\/a><\/span><span class=\"md-toc-item md-toc-h3\" role=\"listitem\" data-ref=\"n3027\"><a class=\"md-toc-inner\">1.3 CSS \u7684\u7248\u672c\u6f14\u8fdb<\/a><\/span><span class=\"md-toc-item md-toc-h3\" role=\"listitem\" data-ref=\"n3033\"><a class=\"md-toc-inner\">1.4 CSS \u7684\u5e94\u7528\u573a\u666f<\/a><\/span><span class=\"md-toc-item md-toc-h3\" role=\"listitem\" data-ref=\"n3074\"><a class=\"md-toc-inner\">1.5 CSS \u7684\u6838\u5fc3\u7279\u70b9<\/a><\/span><span class=\"md-toc-item md-toc-h3\" role=\"listitem\" data-ref=\"n3106\"><a class=\"md-toc-inner\">1.6 CSS \u7684\u529f\u80fd\u4f5c\u7528<\/a><\/span><span class=\"md-toc-item md-toc-h3\" role=\"listitem\" data-ref=\"n3144\"><a class=\"md-toc-inner\">1.7 CSS \u7684\u5de5\u4f5c\u539f\u7406<\/a><\/span><span class=\"md-toc-item md-toc-h3\" role=\"listitem\" data-ref=\"n3154\"><a class=\"md-toc-inner\">1.8 CSS \u7684\u4f18\u52bf\u4e0e\u5c40\u9650<\/a><\/span><\/p>\n<p class=\"md-toc-content\" role=\"list\"><span class=\"md-toc-item md-toc-h2\" role=\"listitem\" data-ref=\"n3179\"><a class=\"md-toc-inner\">2 CSS \u5f15\u5165\u65b9\u5f0f\u4e0e\u4f18\u5148\u7ea7<\/a><\/span><\/p>\n<p class=\"md-toc-content\" role=\"list\"><span class=\"md-toc-item md-toc-h3\" role=\"listitem\" data-ref=\"n3180\"><a class=\"md-toc-inner\">2.1 \u5916\u90e8\u6837\u5f0f\u8868\uff08\u6700\u5e38\u7528\uff09<\/a><\/span><span class=\"md-toc-item md-toc-h3\" role=\"listitem\" data-ref=\"n3183\"><a class=\"md-toc-inner\">2.2 \u5185\u90e8\u6837\u5f0f\u8868<\/a><\/span><span class=\"md-toc-item md-toc-h3\" role=\"listitem\" data-ref=\"n3186\"><a class=\"md-toc-inner\">2.3 \u5185\u8054\u6837\u5f0f\u8868<\/a><\/span><span class=\"md-toc-item md-toc-h3\" role=\"listitem\" data-ref=\"n3189\"><a class=\"md-toc-inner\">2.4 \u6837\u5f0f\u8868\u7684\u4f18\u5148\u7ea7<\/a><\/span><\/p>\n<p class=\"md-toc-content\" role=\"list\"><span class=\"md-toc-item md-toc-h2\" role=\"listitem\" data-ref=\"n3194\"><a class=\"md-toc-inner\">3 CSS \u7684\u57fa\u7840\u8bed\u6cd5<\/a><\/span><\/p>\n<p class=\"md-toc-content\" role=\"list\"><span class=\"md-toc-item md-toc-h3\" role=\"listitem\" data-ref=\"n3195\"><a class=\"md-toc-inner\">3.1 CSS \u6837\u5f0f\u89c4\u5219<\/a><\/span><span class=\"md-toc-item md-toc-h3\" role=\"listitem\" data-ref=\"n3213\"><a class=\"md-toc-inner\">3.2 CSS \u6837\u5f0f\u9009\u62e9\u5668<\/a><\/span><span class=\"md-toc-item md-toc-h3\" role=\"listitem\" data-ref=\"n3364\"><a class=\"md-toc-inner\">3.3 CSS \u6837\u5f0f\u58f0\u660e\u5757<\/a><\/span><span class=\"md-toc-item md-toc-h3\" role=\"listitem\" data-ref=\"n3379\"><a class=\"md-toc-inner\">3.4 CSS \u7684 at \u89c4\u5219<\/a><\/span><span class=\"md-toc-item md-toc-h3\" role=\"listitem\" data-ref=\"n3392\"><a class=\"md-toc-inner\">3.5 CSS \u7684\u8bed\u6cd5\u793a\u4f8b<\/a><\/span><\/p>\n<p class=\"md-toc-content\" role=\"list\"><span class=\"md-toc-item md-toc-h2\" role=\"listitem\" data-ref=\"n3397\"><a class=\"md-toc-inner\">4 \u6838\u5fc3\u7ec4\u6210<\/a><\/span><\/p>\n<p class=\"md-toc-content\" role=\"list\"><span class=\"md-toc-item md-toc-h3\" role=\"listitem\" data-ref=\"n3398\"><a class=\"md-toc-inner\">4.1 \u76d2\u6a21\u578b\uff08Box Model\uff09<\/a><\/span><span class=\"md-toc-item md-toc-h3\" role=\"listitem\" data-ref=\"n3418\"><a class=\"md-toc-inner\">4.2 \u5e03\u5c40\u7cfb\u7edf<\/a><\/span><span class=\"md-toc-item md-toc-h3\" role=\"listitem\" data-ref=\"n3667\"><a class=\"md-toc-inner\">4.3 \u54cd\u5e94\u5f0f\u8bbe\u8ba1<\/a><\/span><\/p>\n<p class=\"md-toc-content\" role=\"list\"><span class=\"md-toc-item md-toc-h2\" role=\"listitem\" data-ref=\"n3703\"><a class=\"md-toc-inner\">5 \u5e38\u7528 CSS \u6837\u5f0f<\/a><\/span><\/p>\n<p class=\"md-toc-content\" role=\"list\"><span class=\"md-toc-item md-toc-h3\" role=\"listitem\" data-ref=\"n3704\"><a class=\"md-toc-inner\">5.1 \u6587\u672c\u76f8\u5173\u6837\u5f0f<\/a><\/span><span class=\"md-toc-item md-toc-h3\" role=\"listitem\" data-ref=\"n3740\"><a class=\"md-toc-inner\">5.2 \u76d2\u6a21\u578b\u76f8\u5173\u6837\u5f0f<\/a><\/span><span class=\"md-toc-item md-toc-h3\" role=\"listitem\" data-ref=\"n3845\"><a class=\"md-toc-inner\">5.3 \u663e\u793a\u76f8\u5173\u6837\u5f0f<\/a><\/span><span class=\"md-toc-item md-toc-h3\" role=\"listitem\" data-ref=\"n3886\"><a class=\"md-toc-inner\">5.4 \u80cc\u666f\u76f8\u5173\u6837\u5f0f<\/a><\/span><span class=\"md-toc-item md-toc-h3\" role=\"listitem\" data-ref=\"n3903\"><a class=\"md-toc-inner\">5.5 \u94fe\u63a5\u5217\u8868\u8868\u683c\u6837\u5f0f<\/a><\/span><span class=\"md-toc-item md-toc-h3\" role=\"listitem\" data-ref=\"n3950\"><a class=\"md-toc-inner\">5.6 \u5143\u7d20\u5c3a\u5bf8\u6837\u5f0f<\/a><\/span><span class=\"md-toc-item md-toc-h3\" role=\"listitem\" data-ref=\"n3964\"><a class=\"md-toc-inner\">5.7 \u6ea2\u51fa\u548c\u6d6e\u52a8\u6837\u5f0f<\/a><\/span><\/p>\n<p class=\"md-toc-content\" role=\"list\"><span class=\"md-toc-item md-toc-h2\" role=\"listitem\" data-ref=\"n3997\"><a class=\"md-toc-inner\">6 \u989c\u8272\u4e0e\u5355\u4f4d<\/a><\/span><\/p>\n<p class=\"md-toc-content\" role=\"list\"><span class=\"md-toc-item md-toc-h3\" role=\"listitem\" data-ref=\"n3998\"><a class=\"md-toc-inner\">6.1 \u989c\u8272\u503c<\/a><\/span><span class=\"md-toc-item md-toc-h3\" role=\"listitem\" data-ref=\"n4000\"><a class=\"md-toc-inner\">6.2 \u5355\u4f4d<\/a><\/span><\/p>\n<p class=\"md-toc-content\" role=\"list\"><span class=\"md-toc-item md-toc-h2\" role=\"listitem\" data-ref=\"n4005\"><a class=\"md-toc-inner\">7 \u5173\u952e\u7279\u6027<\/a><\/span><\/p>\n<p class=\"md-toc-content\" role=\"list\"><span class=\"md-toc-item md-toc-h3\" role=\"listitem\" data-ref=\"n4006\"><a class=\"md-toc-inner\">7.1 \u4f18\u5148\u7ea7\uff08Specificity\uff09<\/a><\/span><span class=\"md-toc-item md-toc-h3\" role=\"listitem\" data-ref=\"n4036\"><a class=\"md-toc-inner\">7.2 \u7ee7\u627f\uff08Inheritance\uff09<\/a><\/span><span class=\"md-toc-item md-toc-h3\" role=\"listitem\" data-ref=\"n4045\"><a class=\"md-toc-inner\">7.3 \u5c42\u53e0\uff08Cascading\uff09<\/a><\/span><span class=\"md-toc-item md-toc-h3\" role=\"listitem\" data-ref=\"n4105\"><a class=\"md-toc-inner\">7.4 \u683c\u5f0f\u5316\u4e0a\u4e0b\u6587\uff08Formatting Context\uff09<\/a><\/span><span class=\"md-toc-item md-toc-h3\" role=\"listitem\" data-ref=\"n4175\"><a class=\"md-toc-inner\">7.5 \u53d8\u91cf\uff08Custom Properties\uff09<\/a><\/span><span class=\"md-toc-item md-toc-h3\" role=\"listitem\" data-ref=\"n4178\"><a class=\"md-toc-inner\">7.6 \u51fd\u6570\u4e0e\u8fd0\u7b97<\/a><\/span><span class=\"md-toc-item md-toc-h3\" role=\"listitem\" data-ref=\"n4185\"><a class=\"md-toc-inner\">7.7 \u903b\u8f91\u5c5e\u6027\uff08Logical Properties\uff09<\/a><\/span><span class=\"md-toc-item md-toc-h3\" role=\"listitem\" data-ref=\"n4188\"><a class=\"md-toc-inner\">7.8 \u52a8\u753b\u4e0e\u8fc7\u6e21<\/a><\/span><span class=\"md-toc-item md-toc-h3\" role=\"listitem\" data-ref=\"n4284\"><a class=\"md-toc-inner\">7.9 CSS \u7684\u5916\u8fb9\u8ddd\u6298\u53e0<\/a><\/span><span class=\"md-toc-item md-toc-h3\" role=\"listitem\" data-ref=\"n4299\"><a class=\"md-toc-inner\">7.10 \u73b0\u4ee3 CSS \u65b0\u7279\u6027<\/a><\/span><\/p>\n<p class=\"md-toc-content\" role=\"list\"><span class=\"md-toc-item md-toc-h2\" role=\"listitem\" data-ref=\"n4312\"><a class=\"md-toc-inner\">8 \u73b0\u4ee3 CSS \u6280\u672f<\/a><\/span><\/p>\n<p class=\"md-toc-content\" role=\"list\"><span class=\"md-toc-item md-toc-h3\" role=\"listitem\" data-ref=\"n4313\"><a class=\"md-toc-inner\">8.1 CSS \u9884\u5904\u7406\u5668<\/a><\/span><span class=\"md-toc-item md-toc-h3\" role=\"listitem\" data-ref=\"n4316\"><a class=\"md-toc-inner\">8.2 CSS \u6846\u67b6<\/a><\/span><span class=\"md-toc-item md-toc-h3\" role=\"listitem\" data-ref=\"n4318\"><a class=\"md-toc-inner\">8.3 CSS-in-JS<\/a><\/span><\/p>\n<p class=\"md-toc-content\" role=\"list\"><span class=\"md-toc-item md-toc-h2\" role=\"listitem\" data-ref=\"n4323\"><a class=\"md-toc-inner\">9 \u5b66\u4e60\u5b9e\u8df5\u5efa\u8bae<\/a><\/span><\/p>\n<p class=\"md-toc-content\" role=\"list\"><span class=\"md-toc-item md-toc-h2\" role=\"listitem\" data-ref=\"n4345\"><a class=\"md-toc-inner\">10 \u5b66\u4e60\u8d44\u6e90<\/a><\/span><\/p>\n<p class=\"md-toc-content\" role=\"list\"><span class=\"md-toc-item md-toc-h2\" role=\"listitem\" data-ref=\"n4374\"><a class=\"md-toc-inner\">11 \u603b\u7ed3<\/a><\/span><span class=\"md-toc-item md-toc-h2\" role=\"listitem\" data-ref=\"n4381\"><a class=\"md-toc-inner\">\u5185\u5bb9\u76ee\u5f55<\/a><\/span><\/p>\n<\/div>\n<div class=\"md-hr md-end-block\" tabindex=\"-1\">\n<hr \/>\n<\/div>\n<p class=\"md-end-block md-p\"><span class=\"md-meta-i-c md-link\"><a spellcheck=\"false\" href=\"http:\/\/www.dioit.com\"><span class=\"md-plain\">\u8fea\u6b27IT\u2014\u2014dio\u667a\u80fd\u79d1\u6280<\/span><\/a><\/span><\/p>\n<div class=\"md-hr md-end-block\" tabindex=\"-1\"><\/div>\n<p class=\"md-end-block md-p\"><span class=\"md-image md-img-loaded\" data-src=\"..\/..\/..\/..\/Media\/Picture\/001_WebServer\/\u670d\u52a1\u5668_\u7f51\u7ad9\u56fe\u6807_dioIT_128x128.png\"><img decoding=\"async\" class=\"alignnone size-full wp-image-107\" src=\"http:\/\/www.dioit.com\/wp-content\/uploads\/2025\/08\/\u670d\u52a1\u5668_\u7f51\u7ad9\u56fe\u6807_dioIT_128x128.png\" alt=\"\" width=\"128\" height=\"128\" \/> <\/span><\/p>\n<p class=\"md-end-block md-p\"><span class=\"md-image md-img-loaded\" data-src=\"..\/..\/..\/..\/Media\/Picture\/001_WebServer\/\u670d\u52a1\u5668_\u7f51\u7ad9\u56fe\u6807_dioIT_128x128.png\"><img decoding=\"async\" class=\"alignnone size-medium wp-image-108\" src=\"http:\/\/www.dioit.com\/wp-content\/uploads\/2025\/08\/\u516c\u4f17\u53f7_\u4e8c\u7ef4\u7801_\u8fea\u6b27\u667a\u6167_128x128.png\" alt=\"\" width=\"128\" height=\"128\" \/><\/span><\/p>\n<div class=\"md-hr md-end-block\" tabindex=\"-1\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Web-CSS-Study &lt;u&gt; \u4f5c\u8005\uff1ajason-wrj &lt;\/u&gt; &lt;u&#038;g [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[46],"tags":[87,86,68],"class_list":["post-106","post","type-post","status-publish","format-standard","hentry","category-cascading-style-sheets","tag-css","tag-server","tag-webserver"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>CSS\u5b66\u4e60 - \u8fea\u6b27IT<\/title>\n<meta name=\"description\" content=\"CSS Study, Server, Web Server, HTML5, CSS3, JavaScript, Hyper Text Markup Language, \u5c42\u53e0\u6837\u5f0f\u8868\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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