<!DOCTYPE html> <title>CSS aspect-ratio: Column flexbox cross size</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="help" href="https://drafts.csswg.org/css-flexbox/#line-sizing" title="9.2.3.B"> <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> <div style="display: inline-flex; flex-direction: column; flex-wrap: wrap; height: 100px;"> <div style="background: green; aspect-ratio: 1/1; min-height: 0; height: 50px; flex: 1;"></div> </div>