<style>

.select { width:168px; height:16px; background:none; border:none; }

#sleHid { display:block; width:143px; overflow:hidden; }

#sleBG { width:168px; height:16px; border: 1px solid #A3938C; background:url("icon3.jpg") #fff no-repeat 151px 0px; display:block;}

</style>

<div>

<form>

<span id="sleBG">

<span id="sleHid">

<select name="type">

<option selected="selected">所有分类</option>

<option value="1">图书</option>

<option value="2">音像</option>

</select>

</span>

</span>

</form>

</div>