<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>
<style type="text/css">
body{position:relative; border:solid 1px #30F; height:600px; }
.box{ position:absolute; left:50%; top:50%; height:300px; width:400px; margin-top:-150px; margin-left:-250px;/*这个是本宽度度的一半*/ border:solid 1px #0F0; }
</style>
</head>
<body>
<div class="box"></div>
</body>
</html>
CSS设置
<style type="text/css">
.box {
border:#eee solid 1px;
width:300px;
height:120px;
line-height:120px;
display:table-cell;
vertical-align:middle;
text-align:center;
}
</style>
1.文本
<div class="box">Sample text</div>
Sample text
2.图片(IE下在图片后面加一 ......
