select样式

<style type="text/css">
.selectBox{height:auto;overflow:hidden;zoom:1;}
.s_select{display:inline-block;height:17px;padding:5px 3px;vertical-align:middle;border:1px solid #ccc;border-radius:5px;}
.s_select span{float:left;display:inline-block;height:17px;line-height:17px;overflow:hidden;}
.s_select select{ border:none; background-color:#FFF; *margin:-1px -2px 0 -2px;outline: 0 none;}
</style>


=================================================================================

<div class="selectBox">
<span class="s_select">
<span>
<select name="select" id="select">
<option>上海</option>
<option>北京</option>
</select>
</span>
</span>
</div>