<!DOCTYPE html>
<html class=reftest-wait>
<title>View transitions: shared element with overflow</title>
<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
<link rel="author" href="mailto:[email protected]">
<link rel="match" href="no-root-capture-ref.html">
<script src="/common/reftest-wait.js"></script>
<style>
:root { view-transition-name: none; }
.target {
width: 100px;
height: 100px;
contain: paint;
background: blue;
overflow-clip-margin: 50px;
view-transition-name: target;
}
.child {
width: 200px;
height: 200px;
position: relative;
top: 50px;
left: 50px;
background: green;
}
html::view-transition-group(target) { animation-duration: 300s; }
html::view-transition-new(target) { animation: unset; opacity: 0; }
html::view-transition-old(target) {
animation: unset;
opacity: 1;
}
/* None of these should apply, so make everything red if it does */
html::view-transition-group(root) { animation: unset; opacity: 1; background: red; }
html::view-transition-image-pair(root) { visibility: hidden }
</style>
This text should appear unmodified, since the root isn't captured.
<div class=target>
<div class=child>
</div>
</div>
<script>
failIfNot(document.startViewTransition, "Missing document.startViewTransition");
async function runTest() {
document.startViewTransition(() =>
requestAnimationFrame(() => requestAnimationFrame(takeScreenshot)));
}
onload = () => requestAnimationFrame(() => requestAnimationFrame(runTest));
</script>
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