<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>CSS Test: paged media root percent height</title> <link rel="author" title="Melinda Grant" href="mailto:melinda.grant@hp.com"/> <link rel="help" href="http://www.w3.org/TR/CSS21/page.html#page-box"/> <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#the-height-property"/> <link rel="help" href="http://www.w3.org/TR/css3-page/#page-box-page-rule"/> <meta name="flags" content="paged"/> <meta name="assert" content="A percentage height on the root element is relative to the page area height."/> <style type="text/css"> html { height: 50%; border: blue medium solid; margin: 0; padding: 0; } </style> </head> <body> <div>This page must have a blue border edging the top half of the page area. (The bottom border must be halfway down the page.) </div> </body> </html>