<!DOCTYPE html>
<link rel="match" href="../../reference/ref-filled-green-100px-square-only.html">
<link rel="help" href="https://github.com/w3c/csswg-drafts/issues/4418">
<p>Test passes if there is a filled green square.</p>
<div style="display: table; width: 100px; height: 100px;">
<div style="display: table-header-group; background: green; height: 20%;">
<div></div>
</div>
</div>