css弹出层覆盖底层具体实现
摘要：#mcover{position:fixed;top:0;left:0;width:100%;height:100%;background:...
#mcover {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
background: rgba(0, 0, 0, 0.7);
display: none;
z-index: 20000;
}
#mcover img {
position: fixed;
right: 18px;
top: 5px;
width: 260px!important;
height: 180px!important;
z-index: 20001;
}
<li>
<a href="javascript:void(0);">
<div id="mcover">
<img src="../images/guide.png">
</div>
<div>
<div><img src="../images/vip_1.jpg"></div>
</div>
</a>
</li>
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