<style>
.box2{border:1px solid #00ff00;width:180px;height:17px;clip:rect(0px,179px,16px,0px);overflow:hidden;}
select{position:relative;left:-2px;top:-2px;font-size:12px;width:183px;line-height:14px;border:0px;color:#909993;}
</style>
<div class=box2><select id=idselect1 onchange="select1();" hidefocus>
<option selected>網頁陶吧</option>
<option>設計在線</option>
<option>辦公軟件</option>
<option>工具軟件<option>
</select></div>