CSS實現DIV垂直置中效果代碼

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<!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=gb2312" /> <title>無標題文檔</title> <style type="text/css"> .test{ position:absolute; width:200px; height:200px; background:#999; top:50%; left:50%; margin-top:-100px; margin-left:-100px; </style> </head> <body> <div class="test"></div> </body> </html></td> </tr></table>
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