<!DOCTYPE html>
<html class="reftest-wait">
  <!-- Test: if select has a custom error, it should be affected by :-moz-ui-invalid
             pseudo-class. -->
  <link rel='stylesheet' type='text/css' href='style.css'>
  <body onload="document.getElementById('s').selectedIndex = 0;
                document.forms[0].reset();
                document.documentElement.className='';">
    <form>
      <select id='s' class='notinvalid' id='s' required>
        <option value="">foo</option>
      </select>
    </form>
  </body>
</html>