<!doctype html>
<title>CSS Container Queries Test: Grid container</title>
<link rel="help" href="https://drafts.csswg.org/css-contain-3/#size-container">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support/cq-testcommon.js"></script>
<style>
#grid {
display: grid;
container-type: inline-size;
width: 400px;
grid-template-columns: 1fr 1fr;
}
@container (width = 400px) {
#grid div { color: green }
}
</style>
<div id="grid">
<div id="item1"></div>
<div id="item2"></div>
</div>
<script>
setup(() => assert_implements_container_queries());
test(() => {
assert_equals(getComputedStyle(item1).color, "rgb(0, 128, 0)");
assert_equals(getComputedStyle(item2).color, "rgb(0, 128, 0)");
}, "Check that grid items can query grid container");
</script>