chromium/third_party/blink/web_tests/external/wpt/css/motion/offset-path-ray-014.html

<!doctype html>
<meta charset="utf-8">
<title>CSS Motion Path test: ray() path with default position</title>
<link rel="author" title="Daniil Sakhapov" href="[email protected]">
<link rel="match" href="offset-path-ray-014-ref.html">
<link rel="help" href="https://drafts.fxtf.org/motion/#ray-function">

<style>
  #outer {
    top: 100px;
    left: 100px;
    position: relative;
    width: 600px;
    height: 400px;
  }
  #box {
    background-color: green;
    position: relative;
    top: 100px;
    left: 100px;
    offset-path: ray(0deg closest-side);
    offset-distance: 100%;
    offset-position: normal;
    width: 100px;
    height: 100px;
  }
</style>

<div id="outer">
  <div id="box"></div>
</div>