<html class="test-wait">
<style>
  body { font-size: x-large; }
  .hidden { visibility: hidden; }
</style>
<rb class="hidden">
  <textarea></textarea>
</rb>
<script>
window.addEventListener('load', () => {
  window.requestAnimationFrame(() => {
    window.requestAnimationFrame(() => {
      document.querySelector('style').remove();
      document.documentElement.className = '';
    });
  });
});
</script>
</html>
