<!DOCTYPE html>
<html>
<title>Test that parent filter does not affect top layer elements</title>
<meta charset="utf-8">
<link rel="author" title="Tim Nguyen" href="https://github.com/nt1m">
<link rel="match" href="green-dialog-and-backdrop.html">
<link rel="help" href="https://fullscreen.spec.whatwg.org/#new-stacking-layer">
<style>
body { background: red; }

#parent {
    filter: blur(100px) opacity(50%);
}

dialog::backdrop,
dialog {
    background: green;
    position: absolute;
    outline: none;
}
</style>
<body>
<div id="parent">
    <dialog>PASS if no red shows</dialog>
</div>
<script>
    document.querySelector("dialog").showModal();
</script>
</body>
</html>
