标签：
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="initial-scale=1" />
<title></title>
<style type="text/css">
.parent{
position: fixed;
top: 50%;
bottom: 50%;
left: 50%;
right: 50%;
width: 0;
height: 0;
}
.show{
border: 1px solid red;
height: 20rem;
width: 20rem;
/* 以下两个属性必须为width,height值的负一半 */
margin-left: -10rem;
margin-top: -10rem;
}
table{
width: 100%;
height: 100%;
text-align: center;
}
td{
border: 1px solid red;
}
</style>
</head>
<body>
<div class="parent">
<div class="show">
<table>
<tr>
<td><img src="解析图片/error.png"></td>
</tr>
<tr>
<td>aa</td>
</tr>
</table>
</div>
</div>
</body>
</html>
结果：
标签：
原文地址：http://www.cnblogs.com/wenxiangxu/p/5942730.html
