selectlist-explicit-size-ref.tentative.html

<!DOCTYPE html>
<script src="support/fake-selectlist.js"></script>
<body>
<script>
  const selectlist = createFakeSelectlist('option');
  document.body.appendChild(selectlist);
  const button = selectlist.querySelector('.fake-selectlist-internal-selectlist-button');
  button.style.width = "400px";
  button.style.height = "50px";
</script>

chromium/third_party/blink/web_tests/external/wpt/html/semantics/forms/the-selectlist-element/selectlist-explicit-size-ref.tentative.html