<!DOCTYPE html>
<link rel="match" href="../reference/ref-filled-green-100px-square-only.html">
<link rel="help" href="https://github.com/w3c/csswg-drafts/issues/3973">
<p>Test passes if there is a filled green square.</p>
<div style="display: flex; height: 100px; width: 0px;">
  <div style="min-width: min-content; flex-basis: 0; background: green; writing-mode: vertical-rl;">
    <div style="width: 100px;"></div>
  </div>
</div>