percentage-descendant-of-anonymous-flex-item-ref.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Flexbox Test: percentage heights in descendants of anonymous flex items</title>
<link rel="author" title="Sergio Villar Senin" href="mailto:[email protected]">
<p>The test PASS if you see a 200x100 green rectangle inside a button.</p>
<button style="width: 200px; height: 100px;">
    <div style="width: 200px; height: 100%; background-color: green;"></div>
</button>

chromium/third_party/blink/web_tests/external/wpt/css/css-flexbox/reference/percentage-descendant-of-anonymous-flex-item-ref.html