{"id":238,"date":"2022-08-23T17:25:15","date_gmt":"2022-08-23T09:25:15","guid":{"rendered":"http:\/\/162.14.82.114\/?p=238"},"modified":"2022-08-28T19:41:49","modified_gmt":"2022-08-28T11:41:49","slug":"css%e5%ad%a6%e4%b9%a0%e8%ae%b0%e5%bd%95%ef%bc%88%e4%ba%8c%ef%bc%89","status":"publish","type":"post","link":"http:\/\/162.14.82.114\/index.php\/238\/08\/23\/2022\/","title":{"rendered":"CSS\u5b66\u4e60\u8bb0\u5f55\uff08\u4e8c\uff09"},"content":{"rendered":"<h1>CSS\u6837\u5f0f\u8868\u548c\u9009\u62e9\u5668<\/h1>\n<p>CSS\uff1aCascading Style Sheet\uff0c\u5c42\u53e0\u6837\u5f0f\u8868\u3002CSS \u7684\u4f5c\u7528\u5c31\u662f\u7ed9 HTML \u9875\u9762\u6807\u7b7e\u6dfb\u52a0\u5404\u79cd\u6837\u5f0f\uff0c<strong>\u5b9a\u4e49\u7f51\u9875\u7684\u663e\u793a\u6548\u679c<\/strong>\u3002\u7b80\u5355\u4e00\u53e5\u8bdd\uff1aCSS \u5c06\u7f51\u9875<strong>\u5185\u5bb9\u548c\u663e\u793a\u6837\u5f0f\u8fdb\u884c\u5206\u79bb<\/strong>\uff0c\u63d0\u9ad8\u4e86\u663e\u793a\u529f\u80fd\u3002<\/p>\n<div align = \"center\">\n    <div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/pic-for-be.oss-cn-hangzhou.aliyuncs.com\/img\/202208231714865.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/pic-for-be.oss-cn-hangzhou.aliyuncs.com\/img\/202208231714865.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\" style=\"zoom: 67%;\" \/><\/div>\n<\/div>\n<h2>css\u7684\u8bed\u6cd5<\/h2>\n<pre><code class=\"language-html\">\u9009\u62e9\u5668{ \u5c5e\u6027\u540d: \u5c5e\u6027\u503c; \u5c5e\u6027\u540d: \u5c5e\u6027\u503c; }\n\u6216\u8005\uff1a\n\u9009\u62e9\u5668 {\n    k: v;\n    k: v;\n    k: v;\n    k: v;\n}<\/code><\/pre>\n<p><strong>\u89e3\u91ca\uff1a<\/strong><\/p>\n<ul>\n<li>\u9009\u62e9\u5668\u4ee3\u8868\u9875\u9762\u4e0a\u7684\u67d0\u7c7b\u5143\u7d20\uff0c\u9009\u62e9\u5668\u540e\u4e00\u5b9a\u662f\u5927\u62ec\u53f7\u3002<\/li>\n<li>\u5c5e\u6027\u540d\u540e\u5fc5\u987b\u7528\u5192\u53f7\u9694\u5f00\uff0c\u5c5e\u6027\u503c\u540e\u7528\u5206\u53f7\uff08\u6700\u540e\u4e00\u4e2a\u5c5e\u6027\u53ef\u4ee5\u4e0d\u7528\u5206\u53f7\uff0c\u4f46\u6700\u597d\u8fd8\u662f\u52a0\u4e0a\u5206\u53f7\uff09\u3002<\/li>\n<li>\u5192\u53f7\u548c\u5c5e\u6027\u503c\u4e4b\u95f4\u53ef\u4ee5\u7559\u4e00\u4e2a\u7a7a\u683c\uff08\u7f16\u7a0b\u4e60\u60ef\u7684\u7ecf\u9a8c\uff09\u3002<\/li>\n<li>\u5982\u679c\u4e00\u4e2a\u5c5e\u6027\u6709\u591a\u4e2a\u503c\u7684\u8bdd\uff0c\u90a3\u4e48\u591a\u4e2a\u503c\u7528<strong>\u7a7a\u683c<\/strong>\u9694\u5f00\u3002<\/li>\n<\/ul>\n<pre><code class=\"language-css\">&lt;style type=&quot;text\/css&quot;&gt;\np{\n    font-weight:bold;\n    font-style:italic;\n    color:red;\n}\n&lt;\/style&gt;<\/code><\/pre>\n<h2>css \u4ee3\u7801\u7684\u6ce8\u91ca<\/h2>\n<pre><code class=\"language-css\">\/*\u6ce8\u91ca\u5185\u5bb9*\/<\/code><\/pre>\n<h2>CSS \u7684\u4e00\u4e9b\u7b80\u5355\u5e38\u89c1\u7684\u5c5e\u6027<\/h2>\n<p><strong>\u5b57\u4f53\u989c\u8272\uff1a<\/strong><code>color<\/code><\/p>\n<p><strong>\u5b57\u4f53\u989c\u8272\uff1a<\/strong><code>font-size<\/code><\/p>\n<p><strong>\u80cc\u666f\u989c\u8272\uff1a<\/strong><code>background-color<\/code><\/p>\n<p><strong>\u52a0\u7c97\uff1a<\/strong><code>font-weight<\/code><\/p>\n<p><strong>\u659c\u4f53\uff1a<\/strong><code>font-style:italic<\/code><\/p>\n<p><strong>\u4e0b\u5212\u7ebf\uff1a<\/strong><code>text-decoration:underline<\/code><\/p>\n<h3>CSS \u548c HTML \u7ed3\u5408\u7684\u65b9\u5f0f<\/h3>\n<p>CSS \u548c HTML \u7684\u7ed3\u5408\u65b9\u5f0f\u6709 3 \u79cd\uff1a<\/p>\n<p><strong>\u884c\u5185\u6837\u5f0f<\/strong>\uff1a\u5728\u67d0\u4e2a\u7279\u5b9a\u7684\u6807\u7b7e\u91cc\u91c7\u7528 style<strong>\u5c5e\u6027<\/strong>\u3002\u8303\u56f4\u53ea\u9488\u5bf9\u6b64\u6807\u7b7e\u3002<\/p>\n<pre><code class=\"language-html\">&lt;p style=&quot;color:white;background-color:red&quot;&gt;\u6211\u4e0d\u4f1a\u5c31\u8fd9\u6837\u8f7b\u6613\u7684\u72d7\u5e26&lt;\/p&gt;<\/code><\/pre>\n<p><strong>\u5185\u5d4c\u6837\u5f0f\u8868<\/strong>\uff1a\u5728\u9875\u9762\u7684 head \u91cc\u91c7\u7528<code>&lt;style&gt;<\/code><strong>\u6807\u7b7e<\/strong>\u3002\u8303\u56f4\u9488\u5bf9\u6b64\u9875\u9762\u3002<\/p>\n<pre><code class=\"language-html\">&lt;style type=&quot;text\/css&quot;&gt;\np {\nfont-weight: bold;\nfont-style: italic;\ncolor: red;\n}\n&lt;\/style&gt;\n    &lt;body&gt;\n        &lt;p&gt;\u6d17\u767d\u767d&lt;\/p&gt;\n        &lt;p style=&quot;color:blue&quot;&gt;\u4f60\u61c2\u5f97&lt;\/p&gt;\n    &lt;\/body&gt;<\/code><\/pre>\n<p><strong>\u5f15\u5165\u5916\u90e8\u6837\u5f0f\u8868 css \u6587\u4ef6<\/strong>\u7684\u65b9\u5f0f\u3002\u8fd9\u79cd\u5f15\u5165\u65b9\u5f0f\u53c8\u5206\u4e3a\u4e24\u79cd\uff1a - 1\u3001\u91c7\u7528<code>&lt;link&gt;<\/code>\u6807\u7b7e\u3002\u4f8b\u5982\uff1a<code>&lt;link rel = &quot;stylesheet&quot; type = &quot;text\/css&quot; href = &quot;a.css&quot;&gt;&lt;\/link&gt;<\/code> - 2\u3001\u91c7\u7528 import\uff0c\u5fc5\u987b\u5199\u5728<code>&lt;style&gt;<\/code>\u6807\u7b7e\u4e2d\uff0c\u5e76\u4e14\u5fc5\u987b\u662f\u7b2c\u4e00\u53e5\u3002\u4f8b\u5982\uff1a<code>@import url(a.css) ;<\/code><\/p>\n<ul>\n<li>\n<p>\uff081\uff09<strong>\u91c7\u7528<code>&lt;link&gt;<\/code>\u6807\u7b7e<\/strong>\u3002\u4f8b\u5982\uff1a<code>&lt;link rel = &quot;stylesheet&quot; type = &quot;text\/css&quot; href = &quot;a.css&quot;&gt;&lt;\/link&gt;<\/code><\/p>\n<ul>\n<li>\n<p><code>stylesheet<\/code>\uff1a\u5b9a\u4e49\u7684\u6837\u5f0f\u8868<\/p>\n<\/li>\n<li>\n<p><code>alternate stylesheet<\/code>\uff1a\u5019\u9009\u7684\u6837\u5f0f\u8868<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<pre><code class=\"language-html\">&lt;link rel = &quot;stylesheet&quot; type = &quot;text\/css&quot; href = &quot;a.css&quot;&gt;&lt;\/link&gt;\n&lt;link rel = &quot;alternate stylesheet&quot; type = &quot;text\/css&quot; href = &quot;b.css&quot; title=&quot;\u7b2c\u4e8c\u79cd\u6837\u5f0f&quot;&gt;&lt;\/link&gt;\n&lt;link rel = &quot;alternate stylesheet&quot; type = &quot;text\/css&quot; href = &quot;c.css&quot; title=&quot;\u7b2c\u4e09\u79cd\u6837\u5f0f&quot;&gt;&lt;\/link&gt;<\/code><\/pre>\n<ul>\n<li>\uff082\uff09<strong>\u91c7\u7528 import<\/strong>\uff0c\u5fc5\u987b\u5199\u5728<code>&lt;style&gt;<\/code>\u6807\u7b7e\u4e2d\uff0c\u5e76\u4e14\u5fc5\u987b\u662f\u7b2c\u4e00\u53e5\u3002\u4f8b\u5982\uff1a<code>@import url(a.css) ;<\/code><\/li>\n<\/ul>\n<h2>CSS \u7684\u56db\u79cd\u57fa\u672c\u9009\u62e9\u5668<\/h2>\n<h3><strong>\u57fa\u672c\u9009\u62e9\u5668\uff1a<\/strong><\/h3>\n<ul>\n<li>\u6807\u7b7e\u9009\u62e9\u5668\uff1a\u9488\u5bf9<strong>\u4e00\u7c7b<\/strong>\u6807\u7b7e<\/li>\n<\/ul>\n<pre><code class=\"language-css\">  p{ font-size:14px; }<\/code><\/pre>\n<p>\uff081\uff09\u6240\u6709\u7684\u6807\u7b7e\uff0c\u90fd\u53ef\u4ee5\u662f\u9009\u62e9\u5668\u3002\u6bd4\u5982 ul\u3001li\u3001label\u3001dt\u3001dl\u3001input\u3002<\/p>\n<p>\uff082\uff09\u65e0\u8bba\u8fd9\u4e2a\u6807\u7b7e\u85cf\u7684\u591a\u6df1\uff0c\u4e00\u5b9a\u80fd\u591f\u88ab\u9009\u62e9\u4e0a\u3002<\/p>\n<p>\uff083\uff09\u9009\u62e9\u7684\u6240\u6709\uff0c\u800c\u4e0d\u662f\u4e00\u4e2a\u3002<\/p>\n<ul>\n<li>ID \u9009\u62e9\u5668\uff1a\u9488\u5bf9\u67d0<strong>\u4e00\u4e2a<\/strong>\u7279\u5b9a\u7684\u6807\u7b7e\u4f7f\u7528<\/li>\n<\/ul>\n<pre><code class=\"language-html\">    #mytitle{ border:3px dashed green; }    <\/code><\/pre>\n<ul>\n<li>\n<p>\uff081\uff09\u53ea\u80fd\u6709\u5b57\u6bcd\u3001\u6570\u5b57\u3001\u4e0b\u5212\u7ebf\u3002<\/p>\n<\/li>\n<li>\n<p>\uff082\uff09\u5fc5\u987b\u4ee5\u5b57\u6bcd\u5f00\u5934\u3002<\/p>\n<\/li>\n<li>\n<p>\uff083\uff09\u4e0d\u80fd\u548c\u6807\u7b7e\u540c\u540d\u3002\u6bd4\u5982 id \u4e0d\u80fd\u53eb\u505a body\u3001img\u3001a\u3002<\/p>\n<\/li>\n<li>\n<p><strong>HTML \u9875\u9762\uff0c\u4e0d\u80fd\u51fa\u73b0\u76f8\u540c\u7684 id\uff0c\u54ea\u6015\u4ed6\u4eec\u4e0d\u662f\u4e00\u4e2a\u7c7b\u578b<\/strong>\u3002\u6bd4\u5982\u9875\u9762\u4e0a\u6709\u4e00\u4e2a id \u4e3a pp \u7684 p\uff0c\u4e00\u4e2a id \u4e3a pp \u7684 div\uff0c\u662f\u975e\u6cd5\u7684\uff01<\/p>\n<\/li>\n<\/ul>\n<ul>\n<li>\u7c7b\u9009\u62e9\u5668\uff1a\u9488\u5bf9<strong>\u4f60\u60f3\u8981\u7684\u6240\u6709<\/strong>\u6807\u7b7e\u4f7f\u7528<\/li>\n<\/ul>\n<pre><code class=\"language-html\">  .one{ width:800px; }<\/code><\/pre>\n<ul>\n<li>\n<p>\u7279\u6027 1\uff1a\u7c7b\u9009\u62e9\u5668\u53ef\u4ee5\u88ab\u591a\u79cd\u6807\u7b7e\u4f7f\u7528\u3002<\/p>\n<\/li>\n<li>\n<p>\u7279\u6027 2\uff1a\u540c\u4e00\u4e2a\u6807\u7b7e\u53ef\u4ee5\u4f7f\u7528\u591a\u4e2a\u7c7b\u9009\u62e9\u5668\u3002\u7528<strong>\u7a7a\u683c<\/strong>\u9694\u5f00\u3002\u4e3e\u4f8b\u5982\u4e0b\uff1a\uff08\u6b63\u786e\uff09<\/p>\n<\/li>\n<\/ul>\n<pre><code class=\"language-html\">    &lt;h3 class=&quot;teshu  zhongyao&quot;&gt;\u6211\u662f\u4e00\u4e2ah3\u554a&lt;\/h3&gt;<\/code><\/pre>\n<ul>\n<li>\n<p>\uff081\uff09\u4e0d\u8981\u53bb\u8bd5\u56fe\u7528\u4e00\u4e2a\u7c7b\u540d\uff0c\u628a\u67d0\u4e2a\u6807\u7b7e\u7684\u6240\u6709\u6837\u5f0f\u5199\u5b8c\u3002\u8fd9\u4e2a\u6807\u7b7e\u8981\u591a\u643a\u5e26\u51e0\u4e2a\u7c7b\uff0c\u5171\u540c\u5b8c\u6210\u8fd9\u4e2a\u6807\u7b7e\u7684\u6837\u5f0f\u3002<\/p>\n<p>\uff082\uff09\u6bcf\u4e00\u4e2a\u7c7b\u8981\u5c3d\u53ef\u80fd\u5c0f\uff0c\u6709\u201c\u516c\u5171\u201d\u7684\u6982\u5ff5\uff0c\u80fd\u591f\u8ba9\u66f4\u591a\u7684\u6807\u7b7e\u4f7f\u7528\u3002<\/p>\n<\/li>\n<\/ul>\n<ul>\n<li>\n<p>\u901a\u7528\u9009\u62e9\u5668\uff08\u901a\u914d\u7b26\uff09\uff1a\u9488\u5bf9\u6240\u6709\u7684\u6807\u7b7e\u90fd\u9002\u7528\uff08\u4e0d\u5efa\u8bae\u4f7f\u7528\uff09<\/p>\n<ul>\n<li>\u901a\u7528\u9009\u62e9\u5668\uff0c\u5c06\u5339\u914d\u4efb\u4f55\u6807\u7b7e\u3002\u4e0d\u5efa\u8bae\u4f7f\u7528\uff0cIE \u6709\u4e9b\u7248\u672c\u4e0d\u652f\u6301\uff0c\u5927\u7f51\u7ad9\u589e\u52a0\u5ba2\u6237\u7aef\u8d1f\u62c5\u3002<\/li>\n<\/ul>\n<p>\u6548\u7387\u4e0d\u9ad8\uff0c\u5982\u679c\u9875\u9762\u4e0a\u7684\u6807\u7b7e\u8d8a\u591a\uff0c\u6548\u7387\u8d8a\u4f4e\uff0c\u6240\u4ee5\u9875\u9762\u4e0a\u4e0d\u80fd\u51fa\u73b0\u8fd9\u4e2a\u9009\u62e9\u5668\u3002<\/p>\n<\/li>\n<\/ul>\n<pre><code class=\"language-css\">    * {\n        margin-left: 0px;\n        margin-top: 0px;\n    }<\/code><\/pre>\n<p><strong>\u7c7b\u4e0a\u6837\u5f0f\uff0cid \u4e0a\u884c\u4e3a<\/strong>\u3002\u610f\u601d\u662f\u8bf4\uff0c<code>class<\/code>\u5c5e\u6027\u4ea4\u7ed9 css \u4f7f\u7528\uff0c<code>id<\/code>\u5c5e\u6027\u4ea4\u7ed9 js \u4f7f\u7528\u3002<\/p>\n<h2>CSS \u7684\u51e0\u79cd\u9ad8\u7ea7\u9009\u62e9\u5668<\/h2>\n<ul>\n<li>\n<p>\u540e\u4ee3\u9009\u62e9\u5668\uff1a\u7528\u7a7a\u683c\u9694\u5f00<\/p>\n<ul>\n<li>\u5bf9\u4e8e<code>E F<\/code>\u8fd9\u79cd\u683c\u5f0f\uff0c\u8868\u793a<strong>\u6240\u6709\u5c5e\u4e8e E \u5143\u7d20\u540e\u4ee3\u7684 F \u5143\u7d20<\/strong>\uff0c\u6709\u8fd9\u4e2a\u6837\u5f0f\u3002\u7a7a\u683c\u5c31\u8868\u793a\u540e\u4ee3\u3002<\/li>\n<\/ul>\n<p>\u540e\u4ee3\u9009\u62e9\u5668\uff0c\u5c31\u662f\u4e00\u79cd\u5e73\u8861\uff1a\u5171\u6027\u3001\u7279\u6027\u7684\u5e73\u8861\u3002\u5f53\u8981\u628a<strong>\u67d0\u4e00\u4e2a\u90e8\u5206\u7684\u6240\u6709\u7684\u4ec0\u4e48<\/strong>\uff0c\u8fdb\u884c\u6837\u5f0f\u6539\u53d8\uff0c\u5c31\u8981\u60f3\u5230\u540e\u4ee3\u9009\u62e9\u5668\u3002<\/p>\n<p>\u540e\u4ee3\u9009\u62e9\u5668\uff0c\u63cf\u8ff0\u7684\u662f\u7956\u5148\u7ed3\u6784\u3002<\/p>\n<\/li>\n<\/ul>\n<pre><code class=\"language-css\">    &lt;style type=&quot;text\/css&quot;&gt;\n        .div1 p {\n            color: red;\n        }\n    &lt;\/style&gt;\n    \/*\u7a7a\u683c\u5c31\u8868\u793a\u540e\u4ee3\u3002.div1 p \u8868\u793a.div1\u7684\u540e\u4ee3\u6240\u6709\u7684p\u3002\u540e\u4ee3\u9009\u62e9\u5668\uff0c\u63cf\u8ff0\u7684\u662f\u4e00\u79cd\u7956\u5148\u7ed3\u6784\u3002*\/<\/code><\/pre>\n<ul>\n<li>\n<blockquote>\n<p>\u5728 VS Code \u4e2d\u8f93\u5165<code>p#haha<\/code>\uff0c\u6309 tab \u952e\u540e\uff0c\u4f1a\u751f\u6210<code>&lt;p id=&quot;haha&quot;&gt;&lt;\/p&gt;<\/code>\u3002<\/p>\n<p>\u5728 VS Code \u4e2d\u8f93\u5165<code>p.haha<\/code>\uff0c\u6309 tab \u952e\u540e\uff0c\u4f1a\u751f\u6210<code>&lt;p class=&quot;haha&quot;&gt;&lt;\/p&gt;<\/code>\u3002<\/p>\n<\/blockquote>\n<\/li>\n<\/ul>\n<ul>\n<li>\n<p>\u4ea4\u96c6\u9009\u62e9\u5668\uff1a\u9009\u62e9\u5668\u4e4b\u95f4\u7d27\u5bc6\u76f8\u8fde<\/p>\n<ul>\n<li>\u5b9a\u4e49\u4ea4\u96c6\u9009\u62e9\u5668\u7684\u65f6\u5019\uff0c\u4e24\u4e2a\u9009\u62e9\u5668\u4e4b\u95f4\u7d27\u5bc6\u76f8\u8fde\u3002\u4e00\u822c\u662f\u4ee5\u6807\u7b7e\u540d\u5f00\u5934\uff0c\u6bd4\u5982<code>div.haha<\/code>\uff0c\u518d\u6bd4\u5982<code>p.special<\/code>\u3002<\/li>\n<\/ul>\n<p>\u5982\u679c\u540e\u4e00\u4e2a\u9009\u62e9\u5668\u662f\u7c7b\u9009\u62e9\u5668\uff0c\u5219\u5199\u4e3a<code>div.special<\/code>\uff1b\u5982\u679c\u540e\u4e00\u4e2a\u9009\u62e9\u5668 id \u9009\u62e9\u5668\uff0c\u5219\u5199\u4e3a<code>div#special<\/code>\u3002<\/p>\n<\/li>\n<\/ul>\n<div align = \"center\">\n        <div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/pic-for-be.oss-cn-hangzhou.aliyuncs.com\/img\/202208231714866.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/pic-for-be.oss-cn-hangzhou.aliyuncs.com\/img\/202208231714866.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\" style=\"zoom:50%;\" \/><\/div>\n    <\/div>\n<pre><code class=\"language-html\">    &lt;!DOCTYPE html&gt;\n    &lt;html lang=&quot;en&quot;&gt;\n        &lt;head&gt;\n            &lt;meta charset=&quot;UTF-8&quot; \/&gt;\n            &lt;title&gt;\u4ea4\u96c6\u9009\u62e9\u5668\u6d4b\u8bd5&lt;\/title&gt;\n            &lt;style type=&quot;text\/css&quot;&gt;\n                h3.special {\n                    color: red;\n                }\n            &lt;\/style&gt;\n        &lt;\/head&gt;\n        &lt;body&gt;\n            &lt;h3 class=&quot;special zhongyao&quot;&gt;\u6807\u98981&lt;\/h3&gt;\n            &lt;h3 class=&quot;special&quot;&gt;\u6211\u4e5f\u662f\u6807\u9898&lt;\/h3&gt;\n            &lt;p&gt;\u6211\u662f\u6bb5\u843d&lt;\/p&gt;\n        &lt;\/body&gt;\n    &lt;\/html&gt;<\/code><\/pre>\n<ul>\n<li>\u5e76\u96c6\u9009\u62e9\u5668\uff08\u5206\u7ec4\u9009\u62e9\u5668\uff09\uff1a\u7528\u9017\u53f7\u9694\u5f00<\/li>\n<\/ul>\n<pre><code class=\"language-css\">    p,\n    h1,\n    #mytitle,\n    .one {\n        color: red;\n    }<\/code><\/pre>\n<ul>\n<li>\u4f2a\u7c7b\u9009\u62e9\u5668<\/li>\n<\/ul>\n<h3>1.\u5b50\u4ee3\u9009\u62e9\u5668\uff0c\u7528\u7b26\u53f7<code>&gt;<\/code>\u8868\u793a<\/h3>\n<pre><code class=\"language-css\">div &gt; p {\n    color: red;\n}\n\/*div \u7684\u513f\u5b50 p\u3002\u548c div \u7684\u540e\u4ee3 p \u7684\u622a\u7136\u4e0d\u540c\u3002*\/\n&lt;div&gt;\n    &lt;p&gt;\u6211\u662fdiv\u7684\u513f\u5b50&lt;\/p&gt;\n&lt;\/div&gt;<\/code><\/pre>\n<h3>2.\u5e8f\u9009\u62e9\u5668<\/h3>\n<p>\u8bbe\u7f6e\u65e0\u5e8f\u5217\u8868<code>&lt;ul&gt;<\/code>\u4e2d\u7684\u7b2c\u4e00\u4e2a<code>&lt;li&gt;<\/code>\u4e3a\u7ea2\u8272\uff1a<\/p>\n<pre><code class=\"language-css\">&lt;style type=&quot;text\/css&quot;&gt;\n    ul li:first-child {\n        color: red;\n    }\n&lt;\/style&gt;<\/code><\/pre>\n<pre><code class=\"language-css\">ul li.first{ color:red; } ul li.last{ color:blue; }<\/code><\/pre>\n<h3>3.\u4e0b\u4e00\u4e2a\u5144\u5f1f\u9009\u62e9\u5668<\/h3>\n<p><code>+<\/code>\u8868\u793a\u9009\u62e9\u4e0b\u4e00\u4e2a\u5144\u5f1f<\/p>\n<pre><code class=\"language-html\">&lt;style type=&quot;text\/css&quot;&gt;\n    h3 + p {\n        color: red;\n    }\n&lt;\/style&gt;<\/code><\/pre>\n<h1>CSS\u9009\u62e9\u5668\uff1a\u4f2a\u7c7b\uff08\u4f2a\u7c7b\u9009\u62e9\u5668\uff09<\/h1>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/pic-for-be.oss-cn-hangzhou.aliyuncs.com\/img\/202208231714867.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/pic-for-be.oss-cn-hangzhou.aliyuncs.com\/img\/202208231714867.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"image-20220803094219529\" style=\"zoom:50%;\" \/><\/div><\/p>\n<pre><code class=\"language-css\">&lt;!doctype html&gt;\n&lt;html lang=&quot;en&quot;&gt;\n&lt;head&gt;\n    &lt;meta charset=&quot;UTF-8&quot;&gt;\n    &lt;meta name=&quot;viewport&quot;\n          content=&quot;width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0&quot;&gt;\n    &lt;meta http-equiv=&quot;X-UA-Compatible&quot; content=&quot;ie=edge&quot;&gt;\n    &lt;title&gt;CSS\u4f2a\u7c7b&lt;\/title&gt;\n    &lt;style type=&quot;text\/css&quot;&gt;\n        *{\n            margin:0;\n            padding:0;\n        }\n        .nav{\n            width: 960px;\n            height: 50px;\n            border: mediumslateblue;\n            margin: 100px auto;\n        }\n        .nav ul{\n            list-style: none;\n        }\n        .nav ul li{\n            float: left;\n            width: 120px;\n            height: 50px;\n            text-align:center;\n            line-height: 50px;\n        }\n        .nav ul li a{\n            display: block;\n            width: 120px;\n            height: 50px;\n        }\n        .nav ul li a:link ,.nav ul li a:visited{\n            text-decoration: #00cc66;\n            background-color: aliceblue;\n            color: black;\n        }\n        .nav ul li a:hover {\n            background-color: gold;\n        }\n    &lt;\/style&gt;\n&lt;\/head&gt;\n&lt;body&gt;\n    &lt;div class=&quot;nav&quot; &gt;\n        &lt;ul&gt;\n            &lt;li&gt;&lt;a href=&quot;1&quot;&gt;protest&lt;\/a&gt;&lt;\/li&gt;\n            &lt;li&gt;&lt;a href=&quot;2&quot;&gt;web&lt;\/a&gt;&lt;\/li&gt;\n            &lt;li&gt;&lt;a href=&quot;3&quot;&gt;pwn&lt;\/a&gt;&lt;\/li&gt;\n            &lt;li&gt;&lt;a href=&quot;4&quot;&gt;reverse&lt;\/a&gt;&lt;\/li&gt;\n            &lt;li&gt;&lt;a href=&quot;5&quot;&gt;misc&lt;\/a&gt;&lt;\/li&gt;\n            &lt;li&gt;&lt;a href=&quot;6&quot;&gt;crypto&lt;\/a&gt;&lt;\/li&gt;\n        &lt;\/ul&gt;\n    &lt;\/div&gt;\n&lt;\/body&gt;\n&lt;\/html&gt;<\/code><\/pre>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/pic-for-be.oss-cn-hangzhou.aliyuncs.com\/img\/202208231714868.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/pic-for-be.oss-cn-hangzhou.aliyuncs.com\/img\/202208231714868.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"image-20220803100502595\" \/><\/div><\/p>\n<p><strong>ps:<\/strong>\u5176\u5b9e\u4e0d\u5199<code>.link<\/code>\u548c<code>.visited<\/code>\u4e5f\u662f\u53ef\u4ee5\u517c\u5bb9\u7684<\/p>\n<pre><code class=\"language-css\">\/*a:link\u3001a:visited\u90fd\u662f\u53ef\u4ee5\u7701\u7565\u7684\uff0c\u7b80\u5199\u5728a\u6807\u7b7e\u91cc\u9762\u3002\u4e5f\u5c31\u662f\u8bf4\uff0ca\u6807\u7b7e\u6db5\u76d6\u4e86link\u3001visited\u7684\u72b6\u6001\uff08\u524d\u63d0\u662f\u90fd\u5177\u6709\u4e86\u76f8\u540c\u7684\u5c5e\u6027\uff09\u3002*\/\n.nav ul li a{\n    display: block;\n    width: 120px;\n    height: 50px;\n    text-decoration: none;\n    background-color: purple;\n    color:white;\n}\n.nav ul li a:hover{\n    background-color: orange;\n}<\/code><\/pre>\n<h1>CSS\u7684\u7ee7\u627f\u6027\u548c\u5c42\u53e0\u6027<\/h1>\n<p>\u6709\u7591\u60d1\u5efa\u8bae\u53c2\u8003<a href=\"https:\/\/web.qianguyihao.com\/02-CSS%E5%9F%BA%E7%A1%80\/05-CSS%E6%A0%B7%E5%BC%8F%E8%A1%A8%E7%9A%84%E7%BB%A7%E6%89%BF%E6%80%A7%E5%92%8C%E5%B1%82%E5%8F%A0%E6%80%A7.html#%E5%B1%82%E5%8F%A0%E6%80%A7%E4%B8%BE%E4%BE%8B\">\u539f\u6587<\/a>\u8fdb\u884c\u5b66\u4e60<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/pic-for-be.oss-cn-hangzhou.aliyuncs.com\/img\/202208231714869.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/pic-for-be.oss-cn-hangzhou.aliyuncs.com\/img\/202208231714869.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"CSS\u7684\u7ee7\u627f\u6027\u4e0e\u5c42\u53e0\u6027\" style=\"zoom:50%;\" \/><\/div><\/p>\n<h1>CSS\u76d2\u6a21\u578b<\/h1>\n<div align = \"center\">\n    <div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/pic-for-be.oss-cn-hangzhou.aliyuncs.com\/img\/202208231714870.jpg'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/pic-for-be.oss-cn-hangzhou.aliyuncs.com\/img\/202208231714870.jpg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"  \/><\/div>\n<\/div>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/pic-for-be.oss-cn-hangzhou.aliyuncs.com\/img\/202208231714871.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/pic-for-be.oss-cn-hangzhou.aliyuncs.com\/img\/202208231714871.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"CSS\u76d2\u6a21\u578b\" style=\"zoom:50%;\" \/><\/div><\/p>\n<h1>\u6d6e\u52a8<\/h1>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/pic-for-be.oss-cn-hangzhou.aliyuncs.com\/img\/202208231714872.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/pic-for-be.oss-cn-hangzhou.aliyuncs.com\/img\/202208231714872.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u6d6e\u52a8\" style=\"zoom:50%;\" \/><\/div><\/p>\n<h1>\u5b9a\u4f4d\u5c5e\u6027<\/h1>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/pic-for-be.oss-cn-hangzhou.aliyuncs.com\/img\/202208231714873.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/pic-for-be.oss-cn-hangzhou.aliyuncs.com\/img\/202208231714873.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u5b9a\u4f4d\u5c5e\u6027\" style=\"zoom:50%;\" \/><\/div><\/p>\n<h1>CSS3\u9009\u62e9\u5668<\/h1>\n<p>\u4e4b\u524d\u7684\u9009\u62e9\u5668\uff1a<\/p>\n<ul>\n<li><code>div<\/code> \u6807\u7b7e\u9009\u62e9\u5668<\/li>\n<li><code>.box <\/code>\u7c7b\u540d\u9009\u62e9\u5668<\/li>\n<li><code>#box\u3000<\/code>id\u9009\u62e9<\/li>\n<li><code>div p<\/code> \u540e\u4ee3\u9009\u62e9\u5668<\/li>\n<li><code>div.box<\/code> \u4ea4\u96c6\u9009\u62e9\u5668<\/li>\n<li><code>div,p,span<\/code> \u5e76\u96c6\u9009\u62e9\u5668<\/li>\n<li><code>div&gt;p<\/code> \u5b50\u4ee3\u9009\u62e9\u5668<\/li>\n<li><code>*<\/code>: \u901a\u914d\u7b26<\/li>\n<li><code>div+p<\/code>: \u9009\u4e2ddiv\u540e\u9762\u76f8\u90bb\u7684\u7b2c\u4e00\u4e2ap<\/li>\n<li><code>div~p<\/code>: \u9009\u4e2d\u7684div\u540e\u9762\u6240\u6709\u7684p<\/li>\n<\/ul>\n<p>CSS3\u9009\u62e9\u5668\u4e0e jQuery \u4e2d\u6240\u63d0\u4f9b\u7684<strong>\u7edd\u5927\u90e8\u5206<\/strong>\u9009\u62e9\u5668\u517c\u5bb9\u3002<\/p>\n<h2>\u5c5e\u6027\u9009\u62e9\u5668<\/h2>\n<pre><code class=\"language-css\">[ ]\n^\uff1a\u5f00\u5934  $\uff1a\u7ed3\u5c3e  *\uff1a\u5305\u542b<\/code><\/pre>\n<ul>\n<li><code>E[title]<\/code> \u9009\u4e2d\u9875\u9762\u7684E\u5143\u7d20\uff0c\u5e76\u4e14E\u5b58\u5728 title \u5c5e\u6027\u5373\u53ef\u3002<\/li>\n<li><code>E[title=&quot;abc&quot;]<\/code>\u9009\u4e2d\u9875\u9762\u7684E\u5143\u7d20\uff0c\u5e76\u4e14E\u9700\u8981\u5e26\u6709title\u5c5e\u6027\uff0c\u4e14\u5c5e\u6027\u503c<strong>\u5b8c\u5168\u7b49\u4e8e<\/strong>abc\u3002<\/li>\n<li><code>E[attr~=val]<\/code> \u9009\u62e9\u5177\u6709 att \u5c5e\u6027\u4e14\u5c5e\u6027\u503c\u4e3a\uff1a\u7528\u7a7a\u683c\u5206\u9694\u7684\u5b57\u8bcd\u5217\u8868\uff0c\u5176\u4e2d\u4e00\u4e2a\u7b49\u4e8e val \u7684E\u5143\u7d20\u3002<\/li>\n<li><code>E[attr|=val]<\/code> \u8868\u793a\u8981\u4e48\u662f\u4e00\u4e2a\u5355\u72ec\u7684\u5c5e\u6027\u503c\uff0c\u8981\u4e48\u8fd9\u4e2a\u5c5e\u6027\u503c\u662f\u4ee5\u201c-\u201d\u5206\u9694\u7684\u3002<\/li>\n<li><code>E[title^=&quot;abc&quot;]<\/code> \u9009\u4e2d\u9875\u9762\u7684E\u5143\u7d20\uff0c\u5e76\u4e14E\u9700\u8981\u5e26\u6709 title \u5c5e\u6027,\u5c5e\u6027\u503c\u4ee5 abc \u5f00\u5934\u3002<\/li>\n<li><code>E[title$=&quot;abc&quot;]<\/code> \u9009\u4e2d\u9875\u9762\u7684E\u5143\u7d20\uff0c\u5e76\u4e14E\u9700\u8981\u5e26\u6709 title \u5c5e\u6027,\u5c5e\u6027\u503c\u4ee5 abc \u7ed3\u5c3e\u3002<\/li>\n<li><code>E[title*=&quot;abc&quot;]<\/code> \u9009\u4e2d\u9875\u9762\u7684E\u5143\u7d20\uff0c\u5e76\u4e14E\u9700\u8981\u5e26\u6709 title \u5c5e\u6027,\u5c5e\u6027\u503c\u4efb\u610f\u4f4d\u7f6e\u5305\u542babc\u3002<\/li>\n<\/ul>\n<h2>\u7ed3\u6784\u4f2a\u7c7b\u9009\u62e9\u5668<\/h2>\n<pre><code class=\"language-css\">\u4f2a\u7c7b\u9009\u62e9\u5668\u7684\u6807\u5fd7\u6027\u7b26\u53f7\u662f :\u3002\nCSS\u4e2d\u6709\u4e00\u4e9b\u4f2a\u7c7b\u9009\u62e9\u5668\uff0c\u6bd4\u5982:link\u3001:active\u3001:visited\u3001:hover\uff0c\u8fd9\u4e9b\u662f\u52a8\u6001\u4f2a\u7c7b\u9009\u62e9\u5668\u3002<\/code><\/pre>\n<ul>\n<li>\n<p><code>E:first-child<\/code> \u5339\u914d\u7236\u5143\u7d20\u7684\u7b2c\u4e00\u4e2a\u5b50\u5143\u7d20E\u3002<\/p>\n<\/li>\n<li>\n<p><code>E:last-child<\/code> \u5339\u914d\u7236\u5143\u7d20\u7684\u6700\u540e\u4e00\u4e2a\u5b50\u5143\u7d20E\u3002<\/p>\n<\/li>\n<li>\n<p><code>E:nth-child(n)<\/code> \u5339\u914d\u7236\u5143\u7d20\u7684\u7b2cn\u4e2a\u5b50\u5143\u7d20E\u3002<strong>\u6ce8\u610f<\/strong>\uff0c\u76d2\u5b50\u7684\u7f16\u53f7\u662f\u4ece<code>1<\/code>\u5f00\u59cb\u7b97\u8d77\uff0c\u4e0d\u662f\u4ece<code>0<\/code>\u5f00\u59cb\u7b97\u8d77\u3002<\/p>\n<\/li>\n<li>\n<p><code>E:nth-child(odd)<\/code> \u5339\u914d\u5947\u6570<\/p>\n<\/li>\n<li>\n<p><code>E:nth-child(even)<\/code> \u5339\u914d\u5076\u6570<\/p>\n<\/li>\n<li>\n<p><code>E:nth-last-child(n)<\/code> \u5339\u914d\u7236\u5143\u7d20\u7684\u5012\u6570\u7b2cn\u4e2a\u5b50\u5143\u7d20E\u3002<\/p>\n<\/li>\n<li>\n<p><code>E:first-of-type<\/code> \u5339\u914d\u540c\u7c7b\u578b\u4e2d\u7684\u7b2c\u4e00\u4e2a\u540c\u7ea7\u5144\u5f1f\u5143\u7d20E\u3002<\/p>\n<\/li>\n<li>\n<p><code>E:last-of-type<\/code> \u5339\u914d\u540c\u7c7b\u578b\u4e2d\u7684\u6700\u540e\u4e00\u4e2a\u540c\u7ea7\u5144\u5f1f\u5143\u7d20E\u3002<\/p>\n<\/li>\n<li>\n<p><code>E:nth-of-type(n)<\/code> \u5339\u914d\u540c\u7c7b\u578b\u4e2d\u7684\u7b2cn\u4e2a\u540c\u7ea7\u5144\u5f1f\u5143\u7d20E\u3002<\/p>\n<\/li>\n<li>\n<p><code>E:nth-last-of-type(n)<\/code> \u5339\u914d\u540c\u7c7b\u578b\u4e2d\u7684\u5012\u6570\u7b2cn\u4e2a\u540c\u7ea7\u5144\u5f1f\u5143\u7d20E\u3002<\/p>\n<\/li>\n<li>\n<p><code>E:empty<\/code> \u5339\u914d\u6ca1\u6709\u4efb\u4f55\u5b50\u8282\u70b9\uff08\u5305\u62ec\u7a7a\u683c\u7b49text\u8282\u70b9\uff09\u7684\u5143\u7d20E\u3002<\/p>\n<\/li>\n<li>\n<p><code>E:target<\/code> \u5339\u914d\u76f8\u5173URL\u6307\u5411\u7684E\u5143\u7d20\u3002\u8981\u914d\u5408\u951a\u70b9\u4f7f\u7528\u3002<\/p>\n<\/li>\n<\/ul>\n<div align = \"center\">\n   <img src = \"https:\/\/pic-for-be.oss-cn-hangzhou.aliyuncs.com\/img\/202208231714874.png\">\n<\/div>\n<h2>\u4f2a\u5143\u7d20\u9009\u62e9\u5668<\/h2>\n<p>\u4f2a\u5143\u7d20\u9009\u62e9\u5668\u7684\u6807\u5fd7\u6027\u7b26\u53f7\u662f <code>::<\/code><\/p>\n<ul>\n<li><code>E::before<\/code> \u8bbe\u7f6e\u5728 \u5143\u7d20E \u524d\u9762\uff08\u4f9d\u636e\u5bf9\u8c61\u6811\u7684\u903b\u8f91\u7ed3\u6784\uff09\u7684\u5185\u5bb9\uff0c\u914d\u5408content\u5c5e\u6027\u4e00\u8d77\u4f7f\u7528\u3002<\/li>\n<li><code>E::after<\/code> \u8bbe\u7f6e\u5728 \u5143\u7d20E \u540e\u9762\uff08\u4f9d\u636e\u5bf9\u8c61\u6811\u7684\u903b\u8f91\u7ed3\u6784\uff09\u7684\u5185\u5bb9\uff0c\u914d\u5408content\u5c5e\u6027\u4e00\u8d77\u4f7f\u7528\u3002<\/li>\n<\/ul>\n<p><code>E:after<\/code>\u3001<code>E:before<\/code>\u5728\u65e7\u7248\u672c\u91cc\u662f\u4f2a\u7c7b\uff0c\u5728 CSS3 \u8fd9\u4e2a\u65b0\u7248\u672c\u91cc\u662f\u4f2a\u5143\u7d20\u3002\u65b0\u7248\u672c\u91cc\uff0c<code>E:after<\/code>\u3001<code>E:before<\/code>\u4f1a\u88ab\u81ea\u52a8\u8bc6\u522b\u4e3a<code>E::after<\/code>\u3001<code>E::before<\/code>\uff0c\u6309\u4f2a\u5143\u7d20\u6765\u5bf9\u5f85\uff0c   \u8fd9\u6837\u505a\u7684\u76ee\u7684\u662f\u7528\u6765\u505a\u517c\u5bb9\u5904\u7406\u3002<\/p>\n<ul>\n<li><code>E::first-letter<\/code> \u8bbe\u7f6e\u5143\u7d20 E \u91cc\u9762\u7684<strong>\u7b2c\u4e00\u4e2a\u5b57\u7b26<\/strong>\u7684\u6837\u5f0f\u3002<\/li>\n<li><code>E::first-line<\/code> \u8bbe\u7f6e\u5143\u7d20 E \u91cc\u9762\u7684<strong>\u7b2c\u4e00\u884c<\/strong>\u7684\u6837\u5f0f\u3002<\/li>\n<li><code>E::selection<\/code> \u8bbe\u7f6e\u5143\u7d20 E \u91cc\u9762\u88ab\u9f20\u6807\u9009\u4e2d\u7684\u533a\u57df\u7684\u6837\u5f0f\uff08\u4e00\u822c\u8bbe\u7f6e\u989c\u8272\u548c\u80cc\u666f\u8272\uff09\u3002<\/li>\n<\/ul>\n<div align = \"center\">\n    <img src = \"https:\/\/pic-for-be.oss-cn-hangzhou.aliyuncs.com\/img\/202208231702868.png\">\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>CSS\u6837\u5f0f\u8868\u548c\u9009\u62e9\u5668 CSS\uff1aCascading Style Sheet\uff0c\u5c42\u53e0\u6837\u5f0f\u8868\u3002CSS \u7684\u4f5c\u7528\u5c31\u662f\u7ed9 H [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":126,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[31],"tags":[],"class_list":["post-238","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-31"],"_links":{"self":[{"href":"http:\/\/162.14.82.114\/index.php\/wp-json\/wp\/v2\/posts\/238","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/162.14.82.114\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/162.14.82.114\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/162.14.82.114\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/162.14.82.114\/index.php\/wp-json\/wp\/v2\/comments?post=238"}],"version-history":[{"count":6,"href":"http:\/\/162.14.82.114\/index.php\/wp-json\/wp\/v2\/posts\/238\/revisions"}],"predecessor-version":[{"id":244,"href":"http:\/\/162.14.82.114\/index.php\/wp-json\/wp\/v2\/posts\/238\/revisions\/244"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/162.14.82.114\/index.php\/wp-json\/wp\/v2\/media\/126"}],"wp:attachment":[{"href":"http:\/\/162.14.82.114\/index.php\/wp-json\/wp\/v2\/media?parent=238"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/162.14.82.114\/index.php\/wp-json\/wp\/v2\/categories?post=238"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/162.14.82.114\/index.php\/wp-json\/wp\/v2\/tags?post=238"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}