<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html> <head> <title>CSS Test: Inline-block non-replaced element with 'margin-top', margin-bottom' set to 'auto' and 'height' relying on the descendants</title> <link rel="author" title="Microsoft" href="http://www.microsoft.com/"> <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/"> <!-- 2012-10-10 --> <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#block-root-margin"> <link rel="match" href="reference/height-percentage-001-ref.htm"> <meta name="flags" content=""> <meta name="assert" content="If 'height' is 'auto' on an inline-block non-replaced element then the 'height' depends on the descendants."> <style type="text/css"> #div1 { position: relative; } #div2 { background: blue; display: inline-block; } #div2 div, #div3 { height: 1in; width: 1in; } #div3 { background: orange; left: 1in; position: absolute; top: 0; } </style> </head> <body> <p>Test passes if the blue and orange squares have the <strong>same height</strong>.</p> <div id="div1"> <div id="div2"> <div></div> </div> <div id="div3"></div> </div> </body> </html>