第152天：表单短标题的两端对齐

 1 <style type="text/css">
 2 .hotsearch dd{
 3 float: left;
 4 line-height: 24px;
 5 margin-right: 30px;
 6 overflow: hidden;
 7 text-align: center;
 8 width: 4em; /*这个值是看最长能显示几个文字，如x，则为x em*/
 9 }
10 .hotsearch dd a{
11 display:block;
12 }
13 .w2{
14 letter-spacing:2em; /*如果需要y个字两端对齐，则为(x-y)/(y-1),这里是（4-2）/(2-1)=2em */
15 margin-right:-2em; /*同上*/
16 }
17 .w3{
18 letter-spacing:0.5em; /*如果需要y个字两端对齐，则为(x-y)/(y-1),这里是（4-3）/(3-1)=0.5em */
19 margin-right:-0.5em; /*同上*/
20 }
21 </style>

 1 <span style="font-size:12px;"><dl class="hotsearch" style="width:300px;">
 2 <dt>热门搜索</dt>
 3 <dd><a href="#" target="_blank" ref="nav" class="w3">电视机</a></dd>
 4 <dd><a href="#" target="_blank" ref="nav" class="w4">性感漂亮</a></dd>
 5 <dd><a href="#" target="_blank" ref="nav" class="w3">高跟鞋</a></dd>
 6 <dd><a href="#" target="_blank" ref="nav" class="w2">手机</a></dd>
 7 <dd><a href="#" target="_blank" ref="nav" class="w2">对齐</a></dd>
 8 <dd><a href="#" target="_blank" ref="nav" class="w3">牛仔裤</a></dd>
 9 <dd><a href="#" target="_blank" ref="nav" class="w4">小家碧玉</a></dd>
10 <dd><a href="#" target="_blank" ref="nav" class="w2">家居</a></dd>
11 </dl></span>