f="http://www.w3.org/TR/css-cascade-4/" />
        <meta name="flags" content="interact userstyle" />
        <meta name="assert" content="The pseudo-class selector :visited defined in user stylesheet is applied when a link has already been visited." />
        <style type="text/css"></style>
    </head>
    <body>
        <p id="user-stylesheet">PREREQUISITE: The <a href="support/user-stylesheet.css">"user-stylesheet.css"</a> file is enabled as the user agent's user style sheet.</p>
        <p>PREREQUSITE: