chromium/third_party/blink/web_tests/external/wpt/css/css-grid/abspos/absolute-positioning-changing-containing-block-001-ref.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Grid Layout Test: Absolute positioning changing containing block reference file</title>
<link rel="author" title="Manuel Rego Casasnovas" href="mailto:[email protected]">
<style>
.wrapper {
  width: 100px;
  height: 100px;
  margin-bottom: 25px;
  background: purple;
}

.grid {
  width: 50px;
  height: 50px;
  background: lightblue;
}

.item {
  width: 75%;
  height: 75%;
  background: orange;
}
</style>

<p>The test PASS if you see an orange box inside a purple box on top and a small orange box inside a light blue box inside a purple box on bottom.</p>

<div class="wrapper">
  <div class="item"></div>
</div>
<div class="wrapper">
  <div class="grid">
    <div class="item"></div>
  </div>
</div>