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<!doctype html>
<title>Conditionally removing container status</title>
<link rel="help" href="https://drafts.csswg.org/css-contain-3/#container-type">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support/cq-testcommon.js"></script>
<style>
.parent { width: 300px; }
.child { width: 100px; }
.parent, .child { container-type: inline-size; }
@container (min-width: 200px) {
.child { container-type: initial; }
.grandchild { border: 3px solid green }
}
</style>
<div class="parent">
<div class="child">
<div class="grandchild">You should see a green border around this text</div>
</div>
</div>
<script>
setup(() => assert_implements_container_queries());
test(function() {
let s = getComputedStyle(document.querySelector('.grandchild'));
assert_equals(s.getPropertyValue('border-color'), 'rgb(0, 128, 0)');
}, 'Conditionally applying container-type:initial');
</script>
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