 var intermediary = document.getElementById("intermediary");
    intermediary.setAttribute("class", "accelerated-no-stacking-context");
    if (window.testRunner)
      window.setTimeout(dumpTreeAsText, 0);
  }

  window.addEventListener('load', function () {
    window.setTimeout(removeStackingContext, 100);
  }, false);
</script>
<style>
.accelerated,
.accelerated-stacking-context {
  transform: rotateX(0deg);
}
.accelerated-no-stacking-context {
  -webkit-backface-visibility: hidden;
}
.blended {
  mix-b