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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /css/css-conditional/container-queries/no-layout-containment-fixedpos-dynamic.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<title>Position fixed elements should propagate from a container-type subtree.</title>
<link rel="match" href="/css/reference/ref-filled-green-100px-square-only.html">
<style>
@container (width = 100px) {
#test {
position: fixed;
inset: 0;
background: green;
}
}
</style>
<p>Test passes if there is a filled green square.</p>
<div id="target" style="contain: layout; width: 200px; height: 100px; background: red;">
<div style="container-type: inline-size; height: 0;">
<div id="test"></div>
</div>
</div>
<script>
document.body.offsetTop;
document.getElementById('target').style.width = '100px';
</script>