<span>
<input id=”id_1″ type=”radio” name=”type” value=”1″>
<label for=”id_1″>分类一</label>
</span>
<span>
<input id=”id_2″ type=”radio” name=”type” value=”2″>
<label for=”id_2″>分类二</label>
</span>

.s1{ border:0px solid #666; position:absolute; width:100%; background-color:#ccc; top:50px; left:0px; text-align:left;}
.s1 input[type=’radio’]{display:none;}
.s1 label{ border:0px solid #235aae; padding:0px 5px; cursor:pointer;}
.s1 input:checked+label{border:1px solid #235aae; background-color:#235aae; color:#FFF;}