<!DOCTYPE html>
<title>CSS aspect-ratio: img + dynamic aspect-ratio</title>
<link rel="help" href="https://drafts.csswg.org/css-sizing-4/#aspect-ratio">
<link rel="match" href="../../reference/ref-filled-green-100px-square.xht" />

<style>
body.changed img {
    aspect-ratio: 1/1;
}
</style>

<body onload="document.body.classList.add('changed')">

<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>

<img src="support/20x50-green.png" style="width: 100px">

</body>
