<body bgcolor=red>
<input type=checkbox style="position: absolute; clip:rect(5px 15px 15px 5px)"><br><br>
<input type=checkbox style="position: absolute; clip:rect(6px 14px 14px 6px)"><br><br>类推
<input type=checkbox style="position: absolute; clip:rect(5px 15px 15px 5px)"><br><br>
<input type=checkbox style="position: absolute; clip:rect(6px 14px 14px 6px)"><br><br>类推
<!--
.box1
{
border: 1px solid #ffffff;
width: 80px;
height: 18px;
clip: rect( 0px, 80px, 18px, 0px );
overflow: hidden;
}
.box2
{
border: 1px solid #ffffff;
width: 100px;
height: 18px;
clip: rect( 0px, 100px, 18px, 0px );
overflow: hidden;
}
.select1
{
position: relative;
left: -2px;
top: -2px;
width: 100px;
line-height: 20px;
color: #333333;
border-style: none;
border-width: 0px;
font-size: 12px;
}-->
</style>
<span class="box1"><span class="box2">
<select name=inout class="select1" ID=Select1>
<option value="出库" selected>出库</option>
<option value="入库">入库</option>
<option value="调入">调入</option>
<option value="调出">调出</option>
</select>
</span></span>
下面是一个下拉调整之后的例子
<div style="position:absolute;clip:rect(5px,35px,17px,5px);">
<select name=select1 disabled>
<option>aaaa</option>
</select>
</div>