Div+CSS实现始终居中的半透明弹出层
<!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>Div+CSS实现始终居中的半透明弹出层丨网页特效丨CsrCode.Cn</title> <style type="text/css"> <!-- html,body {height:100%; margin:0px; font-size:12px;} .mydiv { background-color: #FFCC66; border: 1px solid #f00; text-align: center; line-height: 40px; font-size: 12px; font-weight: bold; z-index:999; width: 300px; height: 120px; left:50%; top:50%; margin-left:-150px