效果图：
代码：
html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>遮罩层经典引用</title>
<link rel="stylesheet" href="demo.css">
</head>
<body>
<div class="shade" id="shade"></div>
<div class="wrapper">
<h3>弹出分享层</h3>
<div class="demo">
<a href="#" class="share" id="share">分享DEOM</a>
<div class="box" id="box">
<div class="shareContent-top">
<span>分享到各大平台</span>
<a href="#" class="close" id="close"></a>
</div>
<div class="shareContent">
<ul>
<li>
<a href="#" class="qq"></a>
<span></span>
</li>
<li>
<a href="#" class="weibo"></a>
<span></span>
</li>
<li>
<a href="#" class="renren"></a>
<span></span>
</li>
<li>
<a href="#" class="siyecao"></a>
<span></span>
</li>
<li>
<a href="#" class="bugongying"></a>
<span></span>
</li>
<li>
<a href="#" class="star"></a>
<span></span>
</li>
</ul>
</div>
</div>
</div>
</div>
<script src="jquery.js"></script>
<script src="demo.js"></script>
</body>
</html>
css
*{
margin: 0;
padding: 0;
list-style: none;
}
body{
background-color: #f0f0f0;
}
.shade{
position: fixed;
top:0;
left: 0;
right: 0;
bottom: 0;
background-color: #7b7b7b;
opacity: 0.5;
z-index: -1;
display: none;
}
.wrapper{
width: 700px;
height: 600px;
margin: 50px auto;
}
.wrapper h3{
text-align:center;
font-size:30px;
font-weight: 600;
color: #6c6c6c;
}
.wrapper .demo{
width: 600px;
height: 320px;
border-top: 3px dashed #cecece;
margin: 20px auto;
}
.wrapper .share{
text-decoration: none;
border-radius: 18px;
display: block;
width: 100px;
height: 30px;
border: 1px solid #cecece;
padding: 10px;
margin: 10px auto;
line-height: 30px;
text-align: center;
cursor: pointer;
}
.wrapper .box{
width: 380px;
height: 150px;
background-color: #fff;
border-radius: 20px;
margin: 10px auto;
z-index: 1000;
padding: 20px;
display: none;
}
.box .shareContent-top{
height: 30px;
width: 380px;
padding-bottom: 10px;
border-bottom: 1px solid #ccc;
position: relative;
}
.box .shareContent-top span{
font-size: 16px;
font-weight: 600;
color: #84c017;
}
.box .shareContent-top .close{
float: right;
width: 30px;
height: 30px;
background: url('./img/叉.jpg') 0px 0px no-repeat;
background-size: 30px;
}
.box .shareContent-top .close:hover{
background-position: 0px -32px;
}
.box .shareContent{
padding: 20px;
}
.shareContent ul li{
float: left;
height: 50px;
width: 50px;
position: relative;
cursor: pointer;
}
.shareContent ul li a{
display: block;
width: 28px;
height: 28px;
margin-left: 11px;
margin-top: 12px;
background: url('./img/工具.jpg') 0px 0px no-repeat;
transition: all 0.3s ease-in-out;
}
.shareContent ul li:hover a{
margin-top: 2px;
}
.shareContent ul li span{
width: 40px;
height: 10px;
display: block;
background: url('./img/阴影.jpg') 0px 0px no-repeat;
opacity: 0.2;
position: absolute;
background-size: 40px;
bottom: 0;
left: 5px;
}
.shareContent ul li:hover span{
transition: all 0.3s ease-in-out;
opacity: 0.1;
}
.shareContent ul li .qq{
background-position:0px 0px;
}
.shareContent ul li .weibo{
background-position:-28px 0px;
}
.shareContent ul li .renren{
background-position:-55px 0px;
}
.shareContent ul li .siyecao{
background-position:-84px 0px;
}
.shareContent ul li .bugongying{
background-position:-111px 0px;
}
.shareContent ul li .star{
background-position:-140px 0px;
}
js
$('#close').on('click',function(){
$('#box').hide();
$('#shade').hide();
});
$('#share').on('click',function(){
$('#box').show();
$('#shade').show();
})