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<!doctype html>
<title>CSS Container Queries Test: query of inline-size container in vertical-rl</title>
<link rel="help" href="https://drafts.csswg.org/css-contain-3/#size-container">
<link rel="author" title="Morten Stenshorne" href="mailto:mstensho@chromium.org">
<style>
#ancestry { writing-mode: vertical-rl; }
#keg { container-type: inline-size; }
@container (max-height: 200px) {
#target { width: 400px; }
}
@container (min-height: 400px) {
#target { width: 20px; }
}
</style>
<div id="ancestry">
<div id="keg">
<div id="target">
<div style="width:50px;"></div>
</div>
</div>
</div>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support/cq-testcommon.js"></script>
<script>
setup(() => assert_implements_container_queries());
test(()=> {
ancestry.style.height = "100px";
assert_equals(keg.offsetWidth, 400);
ancestry.style.height = "300px";
assert_equals(keg.offsetWidth, 50);
ancestry.style.height = "500px";
assert_equals(keg.offsetWidth, 20);
}, "inline-size containment only");
</script>
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