<!DOCTYPE html>
<link rel="author" title="Morten Stenshorne" href="mailto:mstensho@chromium.org">
<p>Test passes if there is a filled green-ish square and <strong>no red</strong>.</p>
<div style="width:100px; height:100px; background:green;">
  <div style="opacity:0.1; width:100%; height:100%; background:red;"></div>
</div>
