css/CSS2/linebox/vertical-align-052.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: Vertical-align using millimeters with a negative zero value, -0mm</title>
        <link rel="author" title="Microsoft" href="http://www.microsoft.com/" />
        <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#propdef-vertical-align" />
        <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#leading" />
        <link rel="match" href="vertical-align-004-ref.xht" />

        <meta name="flags" content="ahem" />
        <meta name="assert" content="The 'vertical-align' property sets a negative zero length value in millimeters." />
        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
        <style type="text/css">
            div
            {
                font: 20px/1 Ahem;
                position: relative;
            }
            #div3
            {
                position: absolute;
                top: 0;
            }
            #span1
            {
                color: red;
                vertical-align: -0mm;
            }
        </style>
    </head>
    <body>
        <p>Test passes if there is a small black square and <strong>no red</strong>.</p>
        <div id="div1">
            <div id="div2">
                <span id="span1">X</span>
            </div>
            <div id="div3">X</div>
        </div>
    </body>
</html>