<!DOCTYPE html>
<title>CSS aspect-ratio: img (vertical writing mode)</title>
<link rel="author" title="Google LLC" href="https://www.google.com/">
<link rel="help" href="https://drafts.csswg.org/css-sizing-4/#aspect-ratio">
<link rel="match" href="../../reference/ref-filled-green-100px-square.xht" />
<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; aspect-ratio: 1/1; writing-mode: vertical-rl;">
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