heights" />
        <meta name="flags" content="ahem" />
        <meta name="assert" content="The 'min-height' property sets a minimum length value in 'ex' units." />
        <style type="text/css">* { margin: 0; padding: 0 }
            div
            {
                background: red;
                font: 20px/1 Ahem;
                height: 0;
                min-height: 0ex;
            }
        </style>
    </head>
    <body>
        <p>Test passes if there is no red visible on the pag