chromium/third_party/blink/web_tests/external/wpt/css/motion/offset-path-ray-013-ref.html

<!doctype html>
<meta charset="utf-8">
<title>CSS Motion Path test reference: ray() path with position and offset-position</title>
<link rel="author" title="Daniil Sakhapov" href="[email protected]">

<style>
  #outer {
    top: 100px;
    left: 100px;
    position: relative;
    width: 600px;
    height: 400px;
  }
  #box {
    background-color: green;
    position: relative;
    top: 100px;
    left: 100px;
    transform: translate(-50px, -130px);
    width: 100px;
    height: 100px;
  }
</style>

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