css/css-multicol/overflow-unsplittable-001.html

<!DOCTYPE html>
<title>
  Test that a scrollable container isn't split across multiple columns.
</title>
<link rel="help" href="https://www.w3.org/TR/css-break-3/#possible-breaks">
<link rel="match" href="overflow-unsplittable-001-ref.html">
<div style="columns:2; column-gap:0; width:100px; height:100px;">
  <div style="overflow:scroll; width:50px; background:green;">
    <div style="height:200px;"></div>
  </div>
</div>