<!DOCTYPE html>
<html class='reftest-wait'>
  <body onload="document.getElementsByTagName('fieldset')[0].disabled = true;
                document.documentElement.className='';">
    <fieldset>
      <input type='file'>
      <input type='checkbox'>
      <input type='radio'>
      <input type='number'>
      <input>
      <button>foo</button>
      <textarea></textarea>
      <select><option>foo</option></select>
      <fieldset></fieldset>
    </fieldset>
  </body>
</html>