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firefox/testing/web-platform/tests/css/css-conditional/container-queries/top-layer-dialog-backdrop.html
Daniel Baumann 5e9a113729
Adding upstream version 140.0.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-25 09:37:52 +02:00

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HTML

<!doctype html>
<title>CSS Container Queries Test: ::backdrop depending on @container</title>
<link rel="help" href="https://drafts.csswg.org/css-conditional-5/#container-queries">
<link rel="match" href="top-layer-dialog-backdrop-ref.html">
<style>
html { background: green; }
#container { container-type: inline-size; }
@container (max-width: 200px) {
::backdrop { display: none; }
#dialog { visibility: hidden; }
}
</style>
<div id="container">
<dialog id="dialog"></dialog>
</div>
<script>
dialog.showModal();
dialog.offsetTop;
container.style.width = "100px";
</script>