chromium/third_party/blink/web_tests/external/wpt/css/selectors/invalidation/nth-child-when-sibling-changes-ref.html

<!DOCTYPE html>
<meta charset="utf-8" />
<title>CSS Selectors Invalidation: :nth-child(... of class) when sibling changes</title>
<link rel="author" title="Steinar H. Gunderson" href="[email protected]">
<link rel="help" href="https://drafts.csswg.org/selectors-4/#child-index">
<div>
  <p>Ignored</p>
  <p>Odd; used to be green, should not be since no sibling</p>
  <p>Even, so should not be green</p>
  <p>Odd, but no sibling, so should not be green</p>
  <p>Even, so should not be green</p>
  <p>Ignored</p>
  <p style="color: green">Odd, should be green</p>
</div>