日期:2014-05-16 浏览次数:20399 次
<style>
#wm{
float:left;
width:220px;
height:150px;
border:1px solid #ff0000;
background:#CC0000;
filter:Alpha(opacity=20);
z-index:0;
}
#nm{
position:absolute;
float:left;
width:200px;
height:130px;
border:1px solid #000;
margin:10px;
background: url(images/banner.gif);
z-index:10;
}
</style>
<div id="wm">
<div id="nm"> </div>
</div>