css/CSS2/values/numbers-units-021.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: Root element and the 'em' unit size</title>
        <link rel="author" title="Microsoft" href="http://www.microsoft.com/" />
        <link rel="help" href="http://www.w3.org/TR/CSS21/syndata.html#length-units" />
        <link rel="match" href="numbers-units-021-ref.xht"/>
        <meta name="flags" content="96dpi ahem" />
        <meta name="assert" content="The 'em' unit refers to the property's initial value when specified on the root element." />
        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
        <style type="text/css">
            html
            {
                font-family: Ahem;
                font-size: 2em;
            }
            #div1
            {
                background-color: black;
                height: 32px;
                margin-bottom: 2px;
                width: 32px;
            }
            p
            {
                font-family: serif;
                font-size: 0.5em;
            }
        </style>
    </head>
    <body>
        <p>Test passes if the two boxes below are the same size.</p>
        <div id="div1"></div>
        <div>X</div>
    </body>
</html>