Source code
Revision control
Copy as Markdown
Other Tools
Test Info:
- This WPT test may be referenced by the following Test IDs:
- /css/css-conditional/container-queries-basic.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<title>CSS @container queries basic support</title>
<meta charset="utf-8">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
.container {
container-type: inline-size;
width: 800px;
}
@container (min-width: 700px) {
.card h2 {
font-size: 2em;
color: blue;
}
}
h2 {
font-size: 1em;
color: black;
}
</style>
<div class="container">
<div class="card">
<h2 id="testHeader">Test header</h2>
</div>
</div>
<script>
"use strict";
test(() => {
const h2 = document.getElementById("testHeader");
const styles = window.getComputedStyle(h2);
assert_equals(styles.fontSize, "32px");
assert_equals(styles.color, "rgb(0, 0, 255)");
});
</script>