Blitz - WPT: background-color-animation-custom-property.html

wpt / css / css-backgrounds / animations / background-color-animation-custom-property.html

/css/css-backgrounds/animations/background-color-animation-custom-property.html

<!DOCTYPE html>
<html class="reftest-wait">
<link rel="help" href="https://www.w3.org/TR/css-color-4/#interpolation">
<link rel="help" href="ttps://www.w3.org/TR/css-easing-1/#...">
<link rel="match" href="background-color-animation-custom-property-ref.html">
<style>
  @property --dark {
    syntax: "<color>";
    inherits: true;
    initial-value: #000;
  }

  @property --light {
    syntax: "<color>";
    inherits: true;
    initial-value: #fff;
  }

  @keyframes bgcolor {
    0% {
      background-color: var(--dark);
    }

    100% {
      background-color: var(--light);
    }
  }

  .background {
    width: 200px;
    height: 200px;
    animation: bgcolor 20s steps(2, jump-both) -10s;
  }

  .background.colorize {
    --dark: blue;
    --light: green;
  }
</style>
<script src="/common/reftest-wait.js"></script>
<script src="/web-animations/testcommon.js"></script>

<body>
  <div id="anim" class="background"></div>

  <script>
    document.getAnimations()[0].ready.then(() => {
      document.getElementById("anim").classList.add("colorize");
      waitForAnimationFrames(3).then(takeScreenshot);
    });
  </script>
</body>

</html>

/css/css-backgrounds/animations/background-color-animation-custom-property-ref.html

<!DOCTYPE html>

<style>
  .background {
    width: 200px;
    height: 200px;
    background-color: rgb(0, 85, 85);
  }
</style>

<body>
  <div class="background"></div>
</body>

</html>