css21/normal-flow/inline-block-replaced-width-001.xht

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
    <head>
        <title>CSS Test: Inline-block replaced elements and 'auto' specified for 'margin-left', 'margin-right' and intrinsic width</title>
        <link rel="author" title="Microsoft" href="http://www.microsoft.com/" />
		<link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <!-- 2012-10-12 -->
        <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#inlineblock-replaced-width" />
		<link rel="match" href="inline-block-replaced-width-001-ref.xht" />

        <meta name="flags" content="image" />
        <meta name="assert" content="Computed value of 'auto' for 'margin-left' or margin-right' on inline-block replaced elements becomes a used value of '0'. The intrinsic width is also used if 'height' and 'width' are 'auto'." />
        <style type="text/css">
            div, img
            {
                line-height: 0;
            }
            #div1
            {
                border: solid black;
                height: 2in;
                width: 2in;
            }
            img
            {
                display: inline-block;
                margin-left: auto;
                margin-right: auto;
            }
            div div
            {
                background: orange;
                height: 15px;
                width: 15px;
            }
        </style>
    </head>
    <body>
        <p>Test passes if the blue and orange squares have the same width and the blue square is in the upper-left corner of an hollow black square.</p>
        <div id="div1">
            <img alt="blue 15x15" src="support/blue15x15.png" />
            <div></div>
        </div>
    </body>
</html>