<!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 elements with 'margin-left' and 'margin-right' 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/"> <!-- 2012-06-26 --> <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#inlineblock-width"> <link rel="match" href="reference/inline-block-non-replaced-width-002-ref.htm"> <meta name="flags" content="ahem"> <meta name="assert" content="When 'margin-left' and 'margin-right' are set to 'auto' the used value becomes '0'."> <style type="text/css"> #div1 { border: solid black; height: 200px; width: 200px; } div div { background-color: red; color: blue; display: inline-block; font: 100px/1 Ahem; margin-left: auto; margin-right: auto; } </style> </head> <body> <p>Test passes if a filled blue square is in the <strong>upper-left corner</strong> of an hollow black square and there is <strong>no red</strong>.</p> <div id="div1"> <div>X</div> </div> </body> </html>