<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html> <head> <title>CSS Test: New block formatting context with absolute positioned elements</title> <link rel="author" title="Microsoft" href="http://www.microsoft.com/"> <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/"> <!-- 2012-09-26 --> <link rel="help" href="http://www.w3.org/TR/CSS21/visuren.html#block-formatting"> <link rel="match" href="reference/block-formatting-contexts-008-ref.htm"> <meta name="flags" content=""> <meta name="assert" content="Absolutely positioned elements establish a new block formatting context."> <style type="text/css"> div { position: absolute; } #div1 { border: solid; height: 200px; width: 200px; } div div { background: blue; display: inline; height: 50%; width: 100%; } </style> </head> <body> <p>Test passes if the upper-half of the square is blue.</p> <div id="div1"> <div></div> </div> </body> </html>