<!DOCTYPE html>
<meta charset="utf-8" />
<title>CSS Selectors Invalidation: :nth-child(... of class) when ancestor changes</title>
<link rel="author" title="Steinar H. Gunderson" href="sesse@chromium.org">
<link rel="match" href="../../../../../expected/wpt-import/css/selectors/invalidation/nth-child-when-ancestor-changes-ref.html">
<link rel="help" href="https://drafts.csswg.org/selectors-4/#child-index">
<style>
  .ancestor :nth-child(even of .c) {
    color: green;
  }
</style>
<div id="toggler">
  <p>Ig