css/motion/offset-path-ray-contain-005.html

<!DOCTYPE html>
<html>
  <head>
    <title>CSS Motion Path: ray paths with contain</title>
    <link rel="help" href="https://drafts.fxtf.org/motion-1/#offset-path-property">
    <link rel="match" href="offset-path-ray-contain-005-ref.html">
    <meta name="assert" content="This tests that ray() with contain and the path length increases.">
    <style>
      #container {
        width: 250px;
        height: 250px;
        /* move container to right 100px to make sure we render the element
           properly */
        transform: translate(100px);
      }
      #target {
        position: relative;
        left: 50px;
        top: 50px;
        width: 150px;
        height: 25px;
        background-color: lime;
        offset-path: ray(-90deg closest-side contain);
        offset-anchor: 200% -300%;
        offset-rotate: 0deg;
        offset-distance: 0%;
      }
    </style>
  </head>
  <body>
    <div id="container">
      <div id="target"></div>
    </div>
  </body>
</html>