<!DOCTYPE html>
<script src="resources/polyfill.js"></script>

<p>A mixed case of a shadow element and content element.</p>
<form>
    <legend>legend</legen>
    <input type="text"></input>
    <div style="margin: 20px">
        <fieldset></fieldset>
    </div>    
    <input id="submit" type="submit" value="Submit">
</form>