<!DOCTYPE html>
<html class=reftest-wait>
<title>Basic hierarchy of view-transition-group</title>
<link rel="help" href="https://drafts.csswg.org/css-view-transitions-2/">
<link rel="match" href="nested-ref.html">
<meta name=fuzzy content="maxDifference=0-255; totalPixels=0-515">
<script src="/common/reftest-wait.js"></script>
<style>
body {
margin: 0;
}
main {
view-transition-name: main;
}
section {
view-transition-name: section;
view-transition-group: main;
}
::view-transition,
::view-transition-group(*),
section,
main {
background: red;
inset: 0;
position: absolute;
}
::view-transition-group(main) {
background: green;
animation-play-state: paused;
}
::view-transition-group(section) {
background: inherit;
transform: none !important;
}
::view-transition-image-pair(*),
::view-transition-old(*),
::view-transition-new(*)
{
display: none;
}
</style>
<body>
<main>
<section>
Hello
</section>
</main>
<script>
failIfNot(document.startViewTransition, "Missing document.startViewTransition");
async function runTest() {
let transition = document.startViewTransition();
transition.ready.then(() => takeScreenshot());
}
onload = () => requestAnimationFrame(() => requestAnimationFrame(runTest));
</script>
</body>