<!DOCTYPE html>
<html class="reftest-wait">
<link rel="help" href="https://drafts.csswg.org/css-shapes-1/#basic-shape-interpolation">
<link rel="match" href="two-clip-path-animation-diff-length3-ref.html">
<style>
  .container {
    width: 100px;
    height: 100px;
    background-color: green;
    animation: clippath2 10000s step-end, clippath1 20s 0.001s;
  }

  /* Use un-interpolatable keyframes to force discrete transition */
  @keyframes clippath1 {
    0% {
      clip-path: circle(50% at 50% 50%);
    