layout/reftests/css-animations/mask-size-in-delay-1a.html


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<!DOCTYPE html>
<title>mask-size animation in delay phase</title>
<style>
  @keyframes changeMaskSize {
    from { mask-size: 50px 50px; }
    to { mask-size: 50px 50px; }
  }

  #test {
    height: 100px;
    width: 100px;
    background-color: blue;
    mask-repeat: no-repeat;
    mask-position: center center;
    mask-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="25" height="25"><rect x="0" y="0" width="25" height="25" fill="blue"/></svg>');
    animation: changeMaskSize 100s 100s infinite;
  }
</style>
<div id="test"></div>