css/motion/offset-path-ray-012.html

<!doctype html>
<meta charset="utf-8">
<title>CSS Motion Path test: ray() path with offset-position specified with position</title>
<link rel="author" title="Daniil Sakhapov" href="sakhapov@google.com">
<link rel="match" href="offset-path-ray-012-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(180deg closest-side);
    offset-distance: 100%;
    offset-position: 10px 90%;
    width: 100px;
    height: 100px;
  }
</style>

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