<!DOCTYPE html>
<title>contain:size on auto-height block width vertical borders</title>
<link rel="author" title="Morten Stenshorne" href="mstensho@chromium.org">
<link rel="help" href="https://drafts.csswg.org/css-contain-1/#containment-size">
<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="contain:size; width:100px; border:50px solid green; border-left:none; border-right:none; background:red;">
  <div style="height:200px;"></div>
</div>