Codebase Browser
chromium
Go to App

chromium/third_party/blink/web_tests/external/wpt/html/rendering/non-replaced-elements/the-fieldset-and-legend-elements/fieldset-painting-order-ref.html 

<!doctype html>
<title>Reference for fieldset painting order</title>
<style>
div { width: 200px; height: 200px; }
#a { background: green; }
#b { background: lime; position: relative; top: -100px; left: 100px; }
</style>
<p>There should be no red.</p>
<div id=a></div>
<div id=b></div>