HTML 标签的 width 属性

 1 <table border="1" width="100%">
 2   <tr>
 3     <th>Month</th>
 4     <th>Savings</th>
 5   </tr>
 6   <tr>
 7     <td width="70%">January</td>
 8     <td width="30%">$100.00</td>
 9   </tr>
10   <tr>
11     <td>February</td>
12     <td>$80.00</td>
13   </tr>
14 </table>