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Test Info:

<!DOCTYPE html>
<html class="reftest-wait">
<head>
<title>Animating the "transform" property with a percent value while also animating "width" and "height" using two separate animations</title>
<link rel="help" href="https://drafts.csswg.org/css-transforms/">
<link rel="match" href="transform-percent-with-width-and-height-separate-ref.html">
<script src="../../../common/reftest-wait.js"></script>
<style>
div {
width: 10px;
height: 10px;
background-color: black;
animation-duration: 10s;
animation-name: size, transform;
}
@keyframes size {
0.000000001%, to {
width: 200px;
height: 200px;
}
}
@keyframes transform {
0.000000001%, to {
transform: translate(50%, 50%);
}
}
</style>
</head>
<body>
<div></div>
<script>
(async function() {
await Promise.all(document.getAnimations().map(animation => animation.ready));
await new Promise(requestAnimationFrame);
await new Promise(requestAnimationFrame);
takeScreenshot();
})();
</script>
</body>
</html>