<!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>Document</title>
</head>
<body>
<style>
.p_wrap{ 100%; height: 100%; position: fixed; left: 0;top: 0; z-index: 10000;}
.p_wrap_mask{ 100%; height: 100%; background:#000; filter:alpha(opacity=80); position: absolute; left: 0;top: 0; z-index:1;}
.p_out { margin: 0 auto; height: 100%; 600px; overflow: hidden; position: relative; z-index: 10; }
.p_out {display: table; }
.p_mid {position: absolute; top: 50%;}
.p_mid{display: table-cell; vertical-align: middle; position: static; background: none;}
.p_in {position: relative; top: -50%; 600px;margin: 0 auto;}
.p_in{padding: 10px;border-radius: 8px;background: #fff;}
.p_in img{ 100%;}
</style>
<!--图片弹窗-->
<div class="p_wrap">
<p class="p_wrap_mask"></p>
<div class="p_out">
<div class="row p_mid">
<div class=" p_in" >
<div>
<img src="images/pic.jpg" alt="">
</div>
</div>
</div>
</div>
</div>
</body>
</html>