<!DOCTYPE html> <title>CSS aspect-ratio: auto size img with aspect-ratio inside column flexbox</title> <link rel="help" href="https://www.w3.org/TR/css-sizing-4/#propdef-aspect-ratio"> <link rel="help" href="https://www.w3.org/TR/css-flexbox-1/#layout-algorithm"> <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> <style> div { width: 100px; display: flex; flex-direction: column; } </style> </head> <body> <div><img style="aspect-ratio: 1/1;" src="support/200x200-green.png" /></div> </body> </html>