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<!DOCTYPE html>
<html class=reftest-wait>
<head>
<link rel="help" href="https://drafts.csswg.org/css-view-transitions-2/">
<link rel="match" href="content-ref.html">
<script src="/common/reftest-wait.js"></script>
<script src="/web-animations/testcommon.js"></script>
<style>
body { margin: 20px }
#scope {
position: relative; z-index: 0; background: pink;
border: 5px dashed purple; padding: 5px;
width: 180px; height: 120px;
}
#part {
position: relative; z-index: 0; background: lightgrey;
border: 5px solid blue; padding: 5px;
width: 120px; height: 60px;
left: 20px; top: 20px;
view-transition-name: foo;
}
/* TODO(crbug.com/405117185): This shouldn't be necessary. */
:root { view-transition-name: none; }
#scope::view-transition { background: yellow; }
#scope::view-transition-group(foo) { animation-play-state: paused; }
#scope::view-transition-new(foo) { animation: unset; opacity: 0; }
#scope::view-transition-old(foo) { animation: unset; opacity: 1; }
</style>
</head>
<body>
<div id=scope>
<div id=part>
PARTICIPANT
</div>
</div>
<script>
const scope = document.querySelector("#scope");
failIfNot(scope.startViewTransition, "Missing element.startViewTransition");
async function runTest() {
await waitForCompositorReady();
scope.startViewTransition(() => requestAnimationFrame(takeScreenshot));
}
onload = () => runTest();
</script>
</body>
</html>
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