<!DOCTYPE html>
<html class="reftest-wait">
  <!-- Test: if select is not disabled, it is candidate for constraint validation
             and should be affected by :valid pseudo-class. -->
  <link rel='stylesheet' type='text/css' href='style.css'>
  <body onload="document.getElementById('s').removeAttribute('disabled'); document.documentElement.className='';">
    <select class='valid' id='s' disabled></select>
  </body>
</html>