案例：html案例     状态：可编辑再运行    进入竖版
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<!DOCTYPE html>
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<html>
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<head>
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<style>
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table.lamp {
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    width:100%;
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    border:1px solid #d4d4d4;
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}
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table.lamp th, td {
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    padding:10px;
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}
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table.lamp th {
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    width:40px;
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}
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​
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</style>
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</head>
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​
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<body>
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<table class="lamp">
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<tr>
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  <th>
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    <img src="/img/lamp.jpg" alt="Note" style="height:32px;width:32px">
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  </th>
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  <td>
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    The table element was not designed to be a layout tool.
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  </td>
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</tr>
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</table>
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​
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</body>
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</html>