chromium/third_party/blink/web_tests/external/wpt/css/css-grid/grid-items/grid-items-percentage-paddings-015.html

<!DOCTYPE html>
<link rel="help" href="https://drafts.csswg.org/css-grid-1/#grid-item-sizing">
<meta name="assert" content="Checks that the %-padding accessed from script, for an OOF descendant resolves correctly.">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/check-layout-th.js"></script>
<body onload="checkLayout('#target')">
  <div style="display: inline-grid; position: relative; grid-template: 50px 20px / 50px 20px;">
    <div style="grid-area: 2/2/2/2;">
      <div id="target" style="position: absolute; top: 0; left: 0; grid-area: 1/1/1/1; padding: 100%; background: green;" data-expected-padding-left="50" data-expected-padding-top="50"></div>
    </div>
  </div>
</div>