<style>
  script, html {
    grid-template-rows: 0 0 1px repeat(auto-fit, 10px);
  }
  script {
    overflow-y: hidden;
    grid-gap: 100%;
  }
  style, script, head, html {
    display: inline-grid;
  }
  style {
    grid-column-start: 2;
  }
  :empty {
    border-bottom: 5px solid;
  }
</style>
<script>
if (window.testRunner) {
  testRunner.dumpAsText();
  testRunner.waitUntilDone();
}
onload = () => {
  document.head.appendChild(document.createElement('script'));
  setTimeout(function() { document.write('This test has PASSED if it does not CRASH.'); testRunner.notifyDone(); }, 0);
};
</script>