<!DOCTYPE html>
<link rel="author" title="Morten Stenshorne" href="mailto:mstensho@chromium.org">
<link rel="help" href="https://www.w3.org/TR/css-break-3/#break-decoration">
<link rel="match" href="borders-005-ref.html">
<p>There should be a yellow box that starts in the first column and ends in the
  third. The border should be rounded at the start (first column) and at the end
  (last column).</p>
<div style="columns:3; column-gap:10px; column-fill:auto; width:620px; height:100px;">
  <div style="border-radius:80px; border:20px solid hotpink; height:250px; background:yellow;"></div>
</div>
