{"id":4784,"date":"2022-03-27T21:03:04","date_gmt":"2022-03-27T13:03:04","guid":{"rendered":"https:\/\/egonlin.com\/?p=4784"},"modified":"2022-03-27T21:07:48","modified_gmt":"2022-03-27T13:07:48","slug":"%e7%ac%ac%e5%85%ad%e8%8a%82%ef%bc%9acss3%e5%9f%ba%e7%a1%80%e5%b8%83%e5%b1%80","status":"publish","type":"post","link":"https:\/\/egonlin.com\/?p=4784","title":{"rendered":"\u7b2c\u516d\u8282\uff1acss3\u57fa\u7840\u5e03\u5c40"},"content":{"rendered":"<h1>css\u57fa\u7840\u5e03\u5c40<\/h1>\n<h2>1\u3001\u5e03\u5c40\u76f8\u5173\u7684\u6807\u7b7e<\/h2>\n<ul>\n<li><code>&lt;div&gt;&lt;\/div&gt;<\/code>  \u5b9a\u4e49\u6587\u6863\u4e2d\u7684\u5206\u533a\u6216\u8282<\/li>\n<li><code>&lt;span&gt;&lt;\/span&gt;<\/code>  \u8fd9\u662f\u4e00\u4e2a\u884c\u5185\u5143\u7d20\uff0c\u6ca1\u6709\u4efb\u4f55\u610f\u4e49<\/li>\n<li><code>&lt;header&gt;&lt;\/header&gt;<\/code> <strong>HTML5\u65b0\u589e<\/strong> \u5b9a\u4e49 section \u6216 page \u7684\u9875\u7709<\/li>\n<li><code>&lt;footer&gt;&lt;\/footer&gt;<\/code> <strong>HTML5\u65b0\u589e<\/strong> \u5b9a\u4e49 section \u6216 page \u7684\u9875\u811a<\/li>\n<li><code>&lt;main&gt;&lt;\/main&gt;<\/code> <strong>HTML5\u65b0\u589e<\/strong>  \u6807\u7b7e\u89c4\u5b9a\u6587\u6863\u7684\u4e3b\u8981\u5185\u5bb9\u3002<code>&lt;main&gt;<\/code> \u5143\u7d20\u4e2d\u7684\u5185\u5bb9\u5bf9\u4e8e\u6587\u6863\u6765\u8bf4\u5e94\u5f53\u662f\u552f\u4e00\u7684\u3002\u5b83\u4e0d\u5e94\u5305\u542b\u5728  \u6587\u6863\u4e2d\u91cd\u590d\u51fa\u73b0\u7684\u5185\u5bb9\uff0c\u6bd4\u5982\u4fa7\u680f\u3001\u5bfc\u822a\u680f\u3001\u7248\u6743\u4fe1\u606f\u3001\u7ad9\u70b9\u6807\u5fd7\u6216\u641c\u7d22\u8868\u5355\u3002IE\u90fd\u4e0d\u8bc6\u522b<\/li>\n<li><code>&lt;nav&gt;&lt;\/nav&gt;<\/code>  <strong>HTML5\u65b0\u589e<\/strong> \u8868\u793a\u94fe\u63a5\u5bfc\u822a\u90e8\u5206  \u5982\u679c\u6587\u6863\u4e2d\u6709\u201c\u524d\u540e\u201d\u6309\u94ae\uff0c\u5219\u5e94\u8be5\u628a\u5b83\u653e\u5230<br \/>\n<nav> \u5143\u7d20\u4e2d<\/li>\n<li><code>&lt;section&gt;&lt;\/section&gt;<\/code>  <strong>HTML5\u65b0\u589e<\/strong> \u5b9a\u4e49\u6587\u6863\u4e2d\u7684\u8282 \u901a\u5e38\u4e0d\u63a8\u8350\u90a3\u4e9b\u6ca1\u6709\u6807\u9898\u7684\u5185\u5bb9\u4f7f\u7528section<\/li>\n<li><code>&lt;article&gt;&lt;\/article&gt;<\/code>  <strong>HTML5\u65b0\u589e<\/strong> \u5b9a\u4e49\u6587\u7ae0  \u8bba\u575b\u5e16\u5b50 \u62a5\u7eb8\u6587\u7ae0 \u535a\u5ba2\u6761\u76ee \u7528\u6237\u8bc4\u8bba<\/li>\n<li><code>&lt;aside&gt;&lt;\/aside&gt;<\/code> <strong>HTML5\u65b0\u589e<\/strong> \u76f8\u5173\u5185\u5bb9\uff0c\u76f8\u5173\u8f85\u52a9\u4fe1\u606f\uff0c\u5982\u4fa7\u8fb9\u680f<\/li>\n<\/ul>\n<h2>2\u3001\u76d2\u5b50\u6a21\u578b<\/h2>\n<h3>2-1 \u4ec0\u4e48\u662f\u76d2\u5b50\u6a21\u578b<\/h3>\n<p>\u6240\u6709HTML\u5143\u7d20\u53ef\u4ee5\u770b\u4f5c\u76d2\u5b50\uff0c\u5728CSS\u4e2d\uff0c&quot;box model&quot;\u8fd9\u4e00\u672f\u8bed\u662f\u7528\u6765\u8bbe\u8ba1\u548c\u5e03\u5c40\u65f6\u4f7f\u7528\u3002<\/p>\n<p>CSS\u76d2\u6a21\u578b\u672c\u8d28\u4e0a\u662f\u4e00\u4e2a\u76d2\u5b50\uff0c\u5c01\u88c5\u5468\u56f4\u7684HTML\u5143\u7d20\uff0c\u5b83\u5305\u62ec\uff1a\u8fb9\u8ddd\uff0c\u8fb9\u6846\uff0c\u586b\u5145\uff0c\u548c\u5b9e\u9645\u5185\u5bb9\u3002<\/p>\n<p>\u76d2\u6a21\u578b\u5141\u8bb8\u6211\u4eec\u5728\u5176\u5b83\u5143\u7d20\u548c\u5468\u56f4\u5143\u7d20\u8fb9\u6846\u4e4b\u95f4\u7684\u7a7a\u95f4\u653e\u7f6e\u5143\u7d20\u3002<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2022\/03\/css3\u57fa\u7840\u5e03\u5c401.gif'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2022\/03\/css3\u57fa\u7840\u5e03\u5c401.gif\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/p>\n<ul>\n<li>\n<p><strong>Margin(\u5916\u8fb9\u8ddd)<\/strong>  \u6e05\u9664\u8fb9\u6846\u5916\u7684\u533a\u57df\uff0c\u5916\u8fb9\u8ddd\u662f\u900f\u660e\u7684\u3002<\/p>\n<\/li>\n<li>\n<p><strong>Border(\u8fb9\u6846)<\/strong>  \u56f4\u7ed5\u5728\u5185\u8fb9\u8ddd\u548c\u5185\u5bb9\u5916\u7684\u8fb9\u6846\u3002<\/p>\n<\/li>\n<li>\n<p><strong>Padding(\u5185\u8fb9\u8ddd)<\/strong>  \u6e05\u9664\u5185\u5bb9\u5468\u56f4\u7684\u533a\u57df\uff0c\u5185\u8fb9\u8ddd\u662f\u900f\u660e\u7684\u3002<\/p>\n<\/li>\n<li>\n<p><strong>Content(\u5185\u5bb9)<\/strong>  \u76d2\u5b50\u7684\u5185\u5bb9\uff0c\u663e\u793a\u6587\u672c\u548c\u56fe\u50cf\u3002<\/p>\n<\/li>\n<\/ul>\n<h3>2-2 \u5757\u7ea7\u5143\u7d20\u548c\u5185\u8054\u5143\u7d20(\u884c\u5185\u5143\u7d20)<\/h3>\n<h4>\u5757\u7ea7\u5143\u7d20<\/h4>\n<ul>\n<li><strong>\u603b\u662f\u5728\u65b0\u884c\u4e0a\u5f00\u59cb\uff0c\u5360\u636e\u4e00\u6574\u884c<\/strong>\uff1b           <\/li>\n<li>\u9ad8\u5ea6\uff0c\u884c\u9ad8\u4ee5\u53ca\u5916\u8fb9\u8ddd\u548c\u5185\u8fb9\u8ddd\u90fd\u53ef\u63a7\u5236\uff1b       <\/li>\n<li>\u5bbd\u5ea6\u7f3a\u7701\u662f\u5b83\u7684\u5bb9\u5668\u7684100%\uff0c\u9664\u975e\u8bbe\u5b9a\u4e00\u4e2a\u5bbd\u5ea6   <\/li>\n<li>\u5b83\u53ef\u4ee5\u5bb9\u7eb3\u5185\u8054\u5143\u7d20\u548c\u5176\u4ed6\u5757\u5143\u7d20\u3002          <\/li>\n<\/ul>\n<h4>\u5185\u8054\u5143\u7d20<\/h4>\n<ul>\n<li><strong>\u548c\u5176\u4ed6\u5143\u7d20\u90fd\u5728\u4e00\u884c\u4e0a<\/strong>\uff1b               <\/li>\n<li>\u9ad8\uff0c\u884c\u9ad8\u53ca\u5916\u8fb9\u8ddd\u548c\u5185\u8fb9\u8ddd\u90e8\u5206\u53ef\u6539\u53d8\uff1b        <\/li>\n<li>\u5bbd\u5ea6\u53ea\u4e0e\u5185\u5bb9\u6709\u5173\uff1b                 <\/li>\n<li>\u884c\u5185\u5143\u7d20\u53ea\u80fd\u5bb9\u7eb3\u6587\u672c\u6216\u8005\u5176\u4ed6\u884c\u5185\u5143\u7d20\u3002       <\/li>\n<li>\u5916\u8fb9\u754c\u53ea\u80fd\u5bf9\u5de6\u53f3\u8d77\u4f5c\u7528\uff0c\u5185\u8fb9\u8ddd\u90fd\u8d77\u4f5c\u7528       <\/li>\n<\/ul>\n<h4>\u5757\u7ea7\u5143\u7d20\u548c\u5185\u8054\u5143\u7d20\u7684\u8f6c\u6362<\/h4>\n<pre><code class=\"language-css\">display: block | inline | inline-block<\/code><\/pre>\n<h3>2-3 \u76d2\u5b50\u6a21\u578b\u4e4b\u95f4\u7684\u5173\u7cfb<\/h3>\n<h4>document\u6811<\/h4>\n<p>\u7236\u5143\u7d20\u00a0 \u5b50\u5143\u7d20 \u00a0 \u540e\u4ee3\u5143\u7d20 \u00a0 \u7956\u5148\u5143\u7d20\u00a0 \u5144\u5f1f\u5143\u7d20 <\/p>\n<h4>\u6807\u51c6\u6587\u6863\u6d41<\/h4>\n<ol>\n<li>\u884c\u5185\u5143\u7d20\u4e0d\u5360\u636e\u5355\u72ec\u7684\u7a7a\u95f4\uff0c\u4f9d\u9644\u4e8e\u5757\u7ea7\u5143\u7d20\uff0c\u884c\u5185\u5143\u7d20\u6ca1\u6709\u81ea\u5df1\u7684\u533a\u57df\u3002\u5b83\u540c\u6837\u662fDOM\u6811\u4e2d\u7684\u4e00\u4e2a\u8282\u70b9\uff0c\u5728\u8fd9\u4e00\u70b9\u4e0a\u884c\u5185\u5143\u7d20\u548c\u5757\u7ea7\u5143\u7d20\u662f\u6ca1\u6709\u533a\u522b\u7684\u3002<\/li>\n<li>\u5757\u7ea7\u5143\u7d20\u603b\u662f\u4ee5\u5757\u7684\u5f62\u5f0f\u8868\u73b0\u51fa\u6765\uff0c\u5e76\u4e14\u8ddf\u540c\u7ea7\u7684\u5144\u5f1f\u5757\u4f9d\u6b21\u7ad6\u76f4\u6392\u5217\uff0c\u5de6\u53f3\u81ea\u52a8\u4f38\u5c55\uff0c\u76f4\u5230\u5305\u542b\u5b83\u7684\u5143\u7d20\u7684\u8fb9\u754c\uff0c\u5728\u6c34\u5e73\u65b9\u5411\u4e0d\u80fd\u5e76\u6392\u3002<\/li>\n<\/ol>\n<h4>\u76d2\u5b50\u5728\u6807\u51c6\u6d41\u4e2d\u7684\u5b9a\u4f4d\u539f\u5219<\/h4>\n<ul>\n<li>\u884c\u5185\u5143\u7d20\u4e4b\u95f4\u7684\u6c34\u5e73margin               <\/li>\n<li>\u5757\u7ea7\u5143\u7d20\u4e4b\u95f4\u7684\u7ad6\u76f4margin  (margin\u7684\u584c\u9677)      <\/li>\n<li>\u5d4c\u5957\u76d2\u5b50\u4e4b\u95f4\u7684margin, (\u5b50\u5143\u7d20\u7236\u5143\u7d20margin\u5408\u5e76)   <\/li>\n<li>\u5c06margin\u8bbe\u7f6e\u4e3a\u8d1f\u503c                  <\/li>\n<\/ul>\n<h3>\u76d2\u5b50\u6a21\u578b\u76f8\u5173CSS\u5c5e\u6027<\/h3>\n<h4>\u5e03\u5c40\u5c5e\u6027<\/h4>\n<ul>\n<li>\n<p>display<\/p>\n<pre><code>| \u503c           | \u63cf\u8ff0                                                 |\n| ------------ | ---------------------------------------------------- |\n| none         | \u6b64\u5143\u7d20\u4e0d\u4f1a\u88ab\u663e\u793a\u3002                                   |\n| block        | \u6b64\u5143\u7d20\u5c06\u663e\u793a\u4e3a\u5757\u7ea7\u5143\u7d20\uff0c\u6b64\u5143\u7d20\u524d\u540e\u4f1a\u5e26\u6709\u6362\u884c\u7b26\u3002     |\n| inline       | \u9ed8\u8ba4\u3002\u6b64\u5143\u7d20\u4f1a\u88ab\u663e\u793a\u4e3a\u5185\u8054\u5143\u7d20\uff0c\u5143\u7d20\u524d\u540e\u6ca1\u6709\u6362\u884c\u7b26\u3002 |\n| inline-block | \u884c\u5185\u5757\u5143\u7d20\u3002\uff08CSS2.1 \u65b0\u589e\u7684\u503c\uff09                      |<\/code><\/pre>\n<\/li>\n<li>\n<p>float<\/p>\n<pre><code>| \u503c      | \u63cf\u8ff0                                                 |\n| ------- | ---------------------------------------------------- |\n| left    | \u5143\u7d20\u5411\u5de6\u6d6e\u52a8\u3002                                       |\n| right   | \u5143\u7d20\u5411\u53f3\u6d6e\u52a8\u3002                                       |\n| none    | \u9ed8\u8ba4\u503c\u3002\u5143\u7d20\u4e0d\u6d6e\u52a8\uff0c\u5e76\u4f1a\u663e\u793a\u5728\u5176\u5728\u6587\u672c\u4e2d\u51fa\u73b0\u7684\u4f4d\u7f6e\u3002 |\n| inherit | \u89c4\u5b9a\u5e94\u8be5\u4ece\u7236\u5143\u7d20\u7ee7\u627f float \u5c5e\u6027\u7684\u503c\u3002                |<\/code><\/pre>\n<\/li>\n<li>\n<p>clear<\/p>\n<pre><code>| \u503c      | \u63cf\u8ff0                                  |\n| ------- | ------------------------------------- |\n| left    | \u5728\u5de6\u4fa7\u4e0d\u5141\u8bb8\u6d6e\u52a8\u5143\u7d20\u3002                |\n| right   | \u5728\u53f3\u4fa7\u4e0d\u5141\u8bb8\u6d6e\u52a8\u5143\u7d20\u3002                |\n| both    | \u5728\u5de6\u53f3\u4e24\u4fa7\u5747\u4e0d\u5141\u8bb8\u6d6e\u52a8\u5143\u7d20\u3002          |\n| none    | \u9ed8\u8ba4\u503c\u3002\u5141\u8bb8\u6d6e\u52a8\u5143\u7d20\u51fa\u73b0\u5728\u4e24\u4fa7\u3002      |\n| inherit | \u89c4\u5b9a\u5e94\u8be5\u4ece\u7236\u5143\u7d20\u7ee7\u627f clear \u5c5e\u6027\u7684\u503c\u3002 |<\/code><\/pre>\n<\/li>\n<li>\n<p>visibility      <\/p>\n<pre><code>| \u503c       | \u63cf\u8ff0                                                         |\n| -------- | ------------------------------------------------------------ |\n| visible  | \u9ed8\u8ba4\u503c\u3002\u5143\u7d20\u662f\u53ef\u89c1\u7684\u3002                                       |\n| hidden   | \u5143\u7d20\u662f\u4e0d\u53ef\u89c1\u7684\u3002                                             |\n| collapse | \u5f53\u5728\u8868\u683c\u5143\u7d20\u4e2d\u4f7f\u7528\u65f6\uff0c\u6b64\u503c\u53ef\u5220\u9664\u4e00\u884c\u6216\u4e00\u5217\uff0c\u4f46\u662f\u5b83\u4e0d\u4f1a\u5f71\u54cd\u8868\u683c\u7684\u5e03\u5c40\u3002\u88ab\u884c\u6216\u5217\u5360\u636e\u7684\u7a7a\u95f4\u4f1a\u7559\u7ed9\u5176\u4ed6\u5185\u5bb9\u4f7f\u7528\u3002\u5982\u679c\u6b64\u503c\u88ab\u7528\u5728\u5176\u4ed6\u7684\u5143\u7d20\u4e0a\uff0c\u4f1a\u5448\u73b0\u4e3a \"hidden\"\u3002 |\n| inherit  | \u89c4\u5b9a\u5e94\u8be5\u4ece\u7236\u5143\u7d20\u7ee7\u627f visibility \u5c5e\u6027\u7684\u503c\u3002                   |<\/code><\/pre>\n<\/li>\n<li>\n<p>overflow   <\/p>\n<pre><code>| \u503c      | \u63cf\u8ff0                                                     |\n| ------- | -------------------------------------------------------- |\n| visible | \u9ed8\u8ba4\u503c\u3002\u5185\u5bb9\u4e0d\u4f1a\u88ab\u4fee\u526a\uff0c\u4f1a\u5448\u73b0\u5728\u5143\u7d20\u6846\u4e4b\u5916\u3002             |\n| hidden  | \u5185\u5bb9\u4f1a\u88ab\u4fee\u526a\uff0c\u5e76\u4e14\u5176\u4f59\u5185\u5bb9\u662f\u4e0d\u53ef\u89c1\u7684\u3002                   |\n| scroll  | \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 |\n| auto    | \u5982\u679c\u5185\u5bb9\u88ab\u4fee\u526a\uff0c\u5219\u6d4f\u89c8\u5668\u4f1a\u663e\u793a\u6eda\u52a8\u6761\u4ee5\u4fbf\u67e5\u770b\u5176\u4f59\u7684\u5185\u5bb9\u3002 |\n| inherit | \u89c4\u5b9a\u5e94\u8be5\u4ece\u7236\u5143\u7d20\u7ee7\u627f overflow \u5c5e\u6027\u7684\u503c\u3002                 |<\/code><\/pre>\n<\/li>\n<li>\n<p>overflow-x    <\/p>\n<\/li>\n<li>\n<p>overflow-y    <\/p>\n<\/li>\n<\/ul>\n<h4>\u5c3a\u5bf8<\/h4>\n<ul>\n<li>width \/ max-width \/ min-width<\/li>\n<li>height \/ max-height \/ min-height<\/li>\n<\/ul>\n<h4>\u5185\u8865\u767d<\/h4>\n<ul>\n<li>padding \/ padding-left \/ padding-right \/ padding-top \/ padding-bottom<\/li>\n<\/ul>\n<h4>\u5916\u8fb9\u8ddd<\/h4>\n<ul>\n<li>margin        <\/li>\n<li>margin-left   <\/li>\n<li>margin-right  <\/li>\n<li>margin-top    <\/li>\n<li>margin-bottom<\/li>\n<\/ul>\n<h2>3\u3001\u6d6e\u52a8<\/h2>\n<h3>3-1 \u4ec0\u4e48\u662f\u6d6e\u52a8<\/h3>\n<ul>\n<li>CSS\u7684Float(\u6d6e\u52a8)\uff0c\u5143\u7d20\u53ef\u4ee5\u56f4\u7ed5\u5176\u4ed6\u5143\u7d20\u5411\u5de6\u6216\u5411\u53f3\u88ab\u63a8\u52a8<\/li>\n<li>\u8bbe\u7f6e\u6d6e\u52a8\uff0c\u8131\u79bb\u666e\u901a\u6587\u6863\u6d41<\/li>\n<li>\u6d6e\u52a8\u5143\u7d20\u90fd\u4f1a\u53d8\u4e3a\u5757\u7ea7\u5143\u7d20<\/li>\n<li>\u5982\u679c\u4e0d\u8bbe\u7f6e\u5bbd\u5ea6\uff0c\u4f1a\u5c3d\u53ef\u80fd\u7684\u7a84<\/li>\n<li>\u6d6e\u52a8\u5143\u7d20\u4e4b\u540e\u7684\u5143\u7d20\u5c06\u56f4\u7ed5\u5b83 \u6d6e\u52a8\u5143\u7d20\u4e4b\u524d\u7684\u5143\u7d20\u5c06\u4e0d\u4f1a\u53d7\u5230\u5f71\u54cd\u3002<\/li>\n<\/ul>\n<h3>3-2 \u8bbe\u7f6e\u6d6e\u52a8<\/h3>\n<pre><code class=\"language-css\">.item {\n    float:left\n}\n.item {\n    float:right\n}\n\/*float \u5c5e\u6027\u7684\u9ed8\u8ba4\u503c\u662f none  \u8868\u793a\u6ca1\u6709\u6d6e\u52a8*\/<\/code><\/pre>\n<h3>3-3 \u6e05\u9664\u6d6e\u52a8<\/h3>\n<p>\u6d6e\u52a8\u6846\u65c1\u8fb9\u7684\u884c\u6846\u88ab\u7f29\u77ed\uff0c\u4ece\u800c\u7ed9\u6d6e\u52a8\u6846\u7559\u51fa\u7a7a\u95f4\uff0c\u884c\u6846\u56f4\u7ed5\u6d6e\u52a8\u6846\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u521b\u5efa\u6d6e\u52a8\u6846\u53ef\u4ee5\u4f7f\u6587\u672c\u56f4\u7ed5\u56fe\u50cf\uff1a<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2022\/03\/css3\u57fa\u7840\u5e03\u5c402.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2022\/03\/css3\u57fa\u7840\u5e03\u5c402.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/p>\n<p>\u8981\u60f3\u963b\u6b62\u884c\u6846\u56f4\u7ed5\u6d6e\u52a8\u6846\uff0c\u9700\u8981\u5bf9\u8be5\u6846\u5e94\u7528\u00a0clear \u5c5e\u6027\u3002clear \u5c5e\u6027\u7684\u503c\u53ef\u4ee5\u662f left\u3001right\u3001both \u6216 none\uff0c\u5b83\u8868\u793a\u6846\u7684\u54ea\u4e9b\u8fb9\u4e0d\u5e94\u8be5\u6328\u7740\u6d6e\u52a8\u6846\u3002<\/p>\n<pre><code class=\"language-css\">clear: both\nclear: left\nclear: right<\/code><\/pre>\n<h3>3-4 \u6d6e\u52a8\u5b9e\u9a8c<\/h3>\n<p>\u5b9e\u73b0\u4ee5\u4e0b\u5b9e\u73b0<\/p>\n<ol>\n<li>\n<p>\u8bbe\u7f6e\u7b2c\u4e00\u6d6e\u52a8\u7684div<\/p>\n<\/li>\n<li>\n<p>\u8bbe\u7f6e\u7b2c2\u4e2a\u6d6e\u52a8div<\/p>\n<\/li>\n<li>\n<p>\u8bbe\u7f6e\u7b2c3\u4e2a\u6d6e\u52a8div<\/p>\n<\/li>\n<li>\n<p>\u6539\u53d8\u7b2c\u4e09\u4e2a\u6d6e\u52a8\u65b9\u5411<\/p>\n<\/li>\n<li>\n<p>\u6539\u53d8\u7b2c\u4e8c\u4e2a\u6d6e\u52a8\u65b9\u5411<\/p>\n<\/li>\n<li>\n<p>\u5168\u90e8\u5411\u5de6\u6d6e\u52a8,\u589e\u52a0\u7b2c\u4e00\u4e2a\u7684\u9ad8\u5ea6<\/p>\n<\/li>\n<li>\n<p>\u4f7f\u7528clear\u5c5e\u6027\u6e05\u695a\u6d6e\u52a8\u7684\u5f71\u54cd<\/p>\n<\/li>\n<li>\n<p>\u6269\u5c55\u76d2\u5b50\u7684\u9ad8\u5ea6 (\u5143\u7d20\u9ad8\u5ea6\u548c\u6d6e\u52a8\u7684\u5143\u7d20)<\/p>\n<\/li>\n<li>\n<p>\u6bb5\u843d\u9996\u5b57\u6bcd\u6d6e\u52a8<\/p>\n<\/li>\n<li>\n<p>\u56fe\u7247\u6d6e\u52a8<\/p>\n<\/li>\n<li>\n<p>\u7b80\u5355\u6d6e\u52a8\u5e03\u5c40<\/p>\n<\/li>\n<\/ol>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2022\/03\/css3\u57fa\u7840\u5e03\u5c403.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2022\/03\/css3\u57fa\u7840\u5e03\u5c403.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/p>\n<h3>3-5 \u6d6e\u52a8\u76f8\u5173CSS\u5c5e\u6027\u603b\u7ed3<\/h3>\n<ul>\n<li>float   \u503c: none(\u9ed8\u8ba4) \/left \/right<\/li>\n<li>clear  \u503c: none(\u9ed8\u8ba4) \/both \/left \/right<\/li>\n<\/ul>\n<h3>3-6 \u6d6e\u52a8\u5e03\u5c40\u5c0f\u6848\u4f8b<\/h3>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2022\/03\/css3\u57fa\u7840\u5e03\u5c404.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2022\/03\/css3\u57fa\u7840\u5e03\u5c404.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/p>\n<h2>4\u3001\u5b9a\u4f4d<\/h2>\n<h3>4-1 \u76f8\u5bf9\u5b9a\u4f4d<\/h3>\n<ul>\n<li>\u4f7f\u7528\u76f8\u5bf9\u5b9a\u4f4d\u7684\u76d2\u5b50,\u4f1a\u76f8\u5bf9\u4e8e\u5b83\u539f\u6765\u7684\u4f4d\u7f6e,\u901a\u8fc7\u504f\u79fb\u6307\u5b9a\u7684\u8ddd\u79bb,\u5230\u8fbe\u65b0\u7684\u4f4d\u7f6e<\/li>\n<li>\u4f7f\u7528\u76f8\u5bf9\u5b9a\u4f4d\u7684\u76d2\u5b50,\u4ecd\u5728\u6807\u51c6\u6d41\u4e2d,\u5b83\u5bf9\u7236\u5757\u597d\u5144\u5f1f\u76d2\u5b50\u6ca1\u6709\u4efb\u4f55\u5f71\u54cd<\/li>\n<\/ul>\n<pre><code class=\"language-css\">.box {\n    position: relative;\n    top: 10px;\n    left: 20px;\n}<\/code><\/pre>\n<h3>4-2 \u7edd\u5bf9\u5b9a\u4f4d<\/h3>\n<ul>\n<li>\u4f7f\u7528\u7edd\u5bf9\u5b9a\u4f4d\u7684\u76d2\u5b50\u4ee5\u5b83&quot;\u6700\u8fd1&quot;\u7684\u4e00\u4e2a&quot;\u5df2\u7ecf\u5b9a\u4f4d&quot;\u7684&quot;\u7956\u5148\u5143\u7d20&quot;\u4e3a\u57fa\u51c6\u8fdb\u884c\u504f\u79fb. \u5982\u679c\u6ca1\u6709\u5df2\u7ecf\u5b9a\u4f4d\u7684&quot;\u7956\u5148\u5143\u7d20&quot;, \u90a3\u4e48\u4f1a\u4ee5\u6d4f\u89c8\u5668\u7a97\u53e3\u4e3a\u57fa\u51c6\u8fdb\u884c\u5b9a\u4f4d<\/li>\n<li>\u7edd\u5bf9\u5b9a\u4f4d\u7684\u6846\u4ece\u6807\u51c6\u6d41\u4e2d\u8131\u79bb,\u8fd9\u610f\u5473\u7740\u5b83\u4eec\u5bf9\u5176\u540e\u7684\u5144\u5f1f\u76d2\u5b50\u7684\u5b9a\u4f4d\u6ca1\u6709\u5f71\u54cd,\u5176\u4ed6\u7684\u76d2\u5b50\u5c31\u597d\u50cf\u8fd9\u4e2a\u76d2\u5b50\u4e0d\u5b58\u5728\u4e00\u6837<\/li>\n<\/ul>\n<pre><code class=\"language-css\">.box {\n    position: absolute;\n    top: 10px;\n    left: 20px\n}<\/code><\/pre>\n<h3>4-3 \u56fa\u5b9a\u5b9a\u4f4d<\/h3>\n<p>\u4ee5\u6d4f\u89c8\u5668\u7a97\u53e3\u4e3a\u57fa\u51c6<br \/>\n\u7a97\u53e3\u6eda\u52a8\u65f6,\u4f9d\u7136\u4fdd\u6301\u4f4d\u7f6e\u4e0d\u53d8<\/p>\n<pre><code class=\"language-css\">.box {\n    position: fixed;\n    top: 10px;\n    left: 20px;\n}<\/code><\/pre>\n<h3>4-4 \u7a7a\u95f4\u4f4d\u7f6e<\/h3>\n<ul>\n<li>\u4f7f\u7528css\u5c5e\u6027 <code>z-index<\/code>\u8bbe\u7f6e\u5143\u7d20\u7684\u5806\u53e0\u987a\u5e8f\u3002\u62e5\u6709\u66f4\u9ad8\u5806\u53e0\u987a\u5e8f\u7684\u5143\u7d20\u603b\u662f\u4f1a\u5904\u4e8e\u5806\u53e0\u987a\u5e8f\u8f83\u4f4e\u7684\u5143\u7d20\u7684\u524d\u9762\u3002<\/li>\n<li>z-index \u4ec5\u80fd\u5728\u5b9a\u4f4d\u5143\u7d20\u4e0a\u594f\u6548<\/li>\n<\/ul>\n<h3>4-5 \u5b9a\u4f4d\u76f8\u5173CSS\u5c5e\u6027\u603b\u7ed3<\/h3>\n<ul>\n<li>position  static(\u9ed8\u8ba4\u503c) \/relative \/position \/fixed<\/li>\n<li>top       <\/li>\n<li>left      <\/li>\n<li>right     <\/li>\n<li>bottom        <\/li>\n<li>z-index   auto(\u9ed8\u8ba4\u503c)\/\u6570\u5b57<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>css\u57fa\u7840\u5e03\u5c40 1\u3001\u5e03\u5c40\u76f8\u5173\u7684\u6807\u7b7e &lt;div&gt;&lt;\/div&gt; \u5b9a\u4e49\u6587\u6863\u4e2d\u7684\u5206\u533a\u6216\u8282 &#038;l [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[361,368],"tags":[],"_links":{"self":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/4784"}],"collection":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4784"}],"version-history":[{"count":0,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/4784\/revisions"}],"wp:attachment":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4784"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4784"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4784"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}