透明背景和遮罩层

时间:2014-09-28 12:16:53   收藏:0   阅读:181
1 <div class="searchBlock">
2       <div class="center1_filter"></div>
3       <div class="field"></div>
4 </div>
1 .searchBlock{width: 800px;height:120px;position: absolute;top:50%;left: 50%;margin-top: -97px;margin-left: -400px;padding: 15px 19px;}
2 .center1_filter{width: 100%;height: 100%;position: absolute;top:0;left: 0;background-color: #000;filter:alpha(opacity=50);-moz-opacity:0.5;-webkit-opacity: 0.5;-o-opacity: 0.5;-ms-opacity: 0.5;opacity: 0.5;z-index: -1;}

 遮罩层与透明背景类似,只是不要写z-index: -1;

原文:http://www.cnblogs.com/jymz/p/3997955.html

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