<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html> <head> <title>CSS Test: Max-height using 'em' units with a positive nominal value, +5em</title> <link rel="author" title="Microsoft" href="http://www.microsoft.com/"> <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/"> <!-- 2012-10-28 --> <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#propdef-max-height"> <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#min-max-heights"> <link rel="match" href="reference/height-072-ref.htm"> <meta name="flags" content="ahem"> <meta name="assert" content="The 'max-height' property sets a positive nominal length value in 'em' units."> <style type="text/css"> div { font: 20px/1 Ahem; position: relative; } #div2 { background: black; max-height: +5em; height: 10em; width: 100px; } #div3 { border-top: 5em solid black; left: 104px; position: absolute; top: 0; width: 100px; } </style> </head> <body> <p>Test passes if 2 black squares have the same height.</p> <div id="div1"> <div id="div2"></div> <div id="div3"></div> </div> </body> </html>