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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=utf-8" /> < title >已知宽高度DIV垂直水平居-www.zzarea.com</ title > < style type = "text/css" > <!-- .main{ position:absolute; top:50%; left:50%; width:560px; height:188px; margin:-94px 0 0 -280px; background:#C8EDFB} --> </ style > </ head > < body > < div style = "width:950px; margin:0 auto" > < div class = "main" >已知宽高度DIV垂直水平居</ div > </ div > </ body > </ html > |