样式:
<style>.back {background:url(images/coupon-logo.gif) no-repeat;}.top {height:100px;background-color:#fff;filter:Alpha(Opacity=60);opacity:0.6;}</style>
html
<div class="back"><div class="top"></div></div>
关键代码
background-color:#fff;filter:Alpha(Opacity=60);opacity:0.6;