<!doctype html>
<title>CSS Cascade IDL tests</title>
<link rel="help" href="https://drafts.csswg.org/css-cascade-5/#layer-apis">
<link rel="help" href="https://drafts.csswg.org/css-cascade-6/#scoped-styles">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/WebIDLParser.js"></script>
<script src="/resources/idlharness.js"></script>

<style>
@layer bar, baz;
@import url('data:text/css,') layer(qux);
@layer foo { }
@scope (div) to