Aligned center horizontally for absolute position
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="content-type" content="text/html; charset=utf-8" /> <title></title> <style type="text/css" title="text/css"> div { position: relative; background: black; } #cm { position: absolute; } * .centeredMargin { width: 200px; left: 0; margin-left: auto; right: 0; margin-right: auto; background: red; } </style> </head> <body> <div> <p id="cm" class="centeredMargin">Horizontally & Vertically Centered</p> </div> </body> </html>