<html xmlns="http://www.w3.org/1999/xhtml" class="reftest-wait">
  <head>
    <style>
      html { color: black; outline-color: inherit; outline-width: 10px;
             outline-style: solid; }
    </style>
    <script>
      window.addEventListener("MozReftestInvalidate",
        function() {
          document.getElementById("x").removeAttribute("style");
          document.documentElement.className = "";
        },
        false);
    </script>
  </head>
  <body style="outline-color: green;">
    <html id="x" style="display: none">Test</html>
  </body>
</html>