<hr />   

    <p>
        <a href="http://validator.w3.org/check/referer">
        Validate this HTML5 page
        </a>
    </p>

    <p>
        For full credit, this page must also pass the tests at
        <a href="http://lint.brihten.com/html/">
        http://lint.brihten.com/html/ </a> when its URL is
        entered (and without modifying the default options).
    </p>

    <p>
        <a href=
           "http://jigsaw.w3.org/css-validator/check/referer?profile=css3">
            <img src="http://jigsaw.w3.org/css-validator/images/vcss" 
                 alt="Valid CSS3!" height="31" width="88" />
        </a>
    </p>

</body> 
</html>