<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html> <head> <title>CSS Test: Max-height on absolutely positioned, non-replaced elements, 'margin-bottom' set to 'auto'</title> <link rel="author" title="Microsoft" href="http://www.microsoft.com/"> <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/"> <!-- 2012-08-31 --> <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#abs-non-replaced-height"> <link rel="match" href="reference/absolute-non-replaced-height-003-ref.htm"> <meta name="flags" content=""> <meta name="assert" content="When 'top', 'bottom' and 'height' are all are not 'auto', 'margin-top' is not 'auto' and 'margin-bottom' is 'auto'. Then 'margin-bottom' becomes the remainder of the height of the containing box."> <style type="text/css"> #div1 { border: solid black; height: 3in; position: relative; width: 3in; } div div { background: blue; bottom: 0.5in; height: 2in; margin-bottom: auto; margin-top: 0.5in; max-height: 1in; position: absolute; top: 0.5in; width: 100%; } </style> </head> <body> <p>Test passes if a blue rectangle is <strong>vertically centered</strong> in an hollow black square.</p> <div id="div1"> <div></div> </div> </body> </html>