chromium/content/test/data/accessibility/css/next-on-line-check-failure.html

<style>
ul::before { content: counter(section); -webkit-column-count: 65536;}
</style>
<script>
function boom() {
  let ul = document.createElement('ul');
  document.documentElement.appendChild(ul);
}
window.onload = boom;
</script>