<!DOCTYPE html>
<style>
body {
  min-width: max-content;
}

summary {
  columns: 1000;
  letter-spacing: 20000px;
}

.divider {
  margin-top: 100%;
}

.float {
  float: right;
  width: 10px;
  height: 10px;
}

span {
  margin-right: 100%;
}
</style>
<summary>PASS</summary>
<div class=divider></div>
<span>if not crash</span>
<div class=float></div>
<div>with floats</div>
<select style='margin: 100%;'>way down</select>
<script>
if (window.testRunner)
  testRunner.dumpAsText();
</script>