案例:CSS案例     状态:可编辑再运行    进入竖版
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<html>
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<head>
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<style type="text/css">
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table, td, th
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  {
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  border:1px solid black;
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  }
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td
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  {
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  padding:15px;
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  }
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</style>
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</head>
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<body>
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<table>
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<tr>
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<th>Firstname</th>
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<th>Lastname</th>
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</tr>
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<tr>
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<td>Bill</td>
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<td>Gates</td>
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</tr>
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<tr>
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<td>Steven</td>
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<td>Jobs</td>
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</tr>
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</table>
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</body>
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</html>
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