<html>
<body>
<div id="foo">
    <fieldset>
        <legend class="bar">Some Legend</legend>
    </fieldset>

    <fieldset>
        <legend class="bar baz">Something else</legend>
    </fieldset>

    <fieldset>
        <legend class="bat">La di da</legend>
    </fieldset>
</div>
</body>
</html>