chromium/third_party/blink/web_tests/external/wpt/css/css-overflow/overflow-clip-margin-003-ref.html

<!doctype html>
<meta charset="utf-8">
<title>Verifies overflow-clip-margin doesn't impact paint effects</title>
<link rel="help" href="https://www.w3.org/TR/css-overflow-3/#propdef-overflow-clip-margin">
<link rel="author" title="Scott Violet" href="mailto:[email protected]">
<style>
  .parent {
      width: 100px;
      height: 100px;
      background-color: green;
      box-shadow: 20px 20px 5px red;
  }
</style>
<p>You should see a green box with a red box shadow.
<div class="parent"></div>