<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
</head>
<body>
<style>
.Absolute-Center {
height: 50%;
width: 50%;
overflow: auto;
margin: auto;
position: absolute;
top: 0px;
left: 0px;
bottom: 0px;
right: 0px;
background:#096;
}
</style>
<div class="Absolute-Center">
</div>
</body>
</html>
源码解析:他这个垂直居中 还加了top left bottom right 来拉扯
参考了:http://codepen.io/shshaw/full/gEiDt
评论