<!DOCTYPE html>
<link rel="help" href="https://www.w3.org/TR/css-break-3/#fragmentation-model">
<link rel="match" href="../reference/ref-filled-green-100px-square-only.html">
<style>
  fieldset { margin:0; border:none; padding:0; }
</style>
<p>Test passes if there is a filled green square.</p>
<div style="columns:5; column-gap:20px; column-rule:20px solid green; column-fill:auto; width:180px; height:100px;">
  <fieldset style="max-height:100px;">
    <div style="height:300px; background:green;"></div>
  </fieldset>
</div>
