<style>
html { 
  -webkit-transition-delay: 20s;
  position: absolute;
  column-count: 2;
}

html:focus-within { 
  transform: translateZ(0px);
}

body, div { 
  column-count: 2;
  position: fixed;
}
</style>
PASS if no crash or assert.
<textarea id=move_this autofocus=""></textarea><div id=before_this></div>
<script>
window.testRunner?.dumpAsText();
before_this.before(move_this);
</script>