分割线

<fieldset class="wp">
   <legend class="inner">分割线</legend>
</fieldset>

css

.wp {
    font-size: 14px;
    color: #999;
    border: 0;
    border-top: 1px solid #ccc;
    padding: 0;
     }

.inner {
   margin: 0 auto;
   padding: 0 10px;
    }