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

<p>When the AuthorShadowDOM does not have a Shadow DOM, the content won't be rendered.</p>
<form>
    <div style="display: inline-block; width: 100px; height: 30px; margin 0; padding: 0; border: 0"></div>
    <input id="submit" type="submit" value="Submit">
</form>