<span style="border:1px solid green; position:absolute; overflow:hidden"><select style="margin:-2px">
<option>1111</option>
<option>11111111111111</option>
<option>111111111</option>
</select></span>
<br>
<div style=" border:1px solid #ff0000; position:absolute; overflow:hidden;width:100px; ">
<select style="margin:-2px;width:104px; " name="select" >
<option>111111</option>
<option>222222</option>
</select>
</div>
