<html xmlns="http://www.w3.org/1999/xhtml">
 <head>
  <title>:nth-child() pseudo-class with hidden elements</title>
  <style type="text/css"><![CDATA[
  line { display: block; }
  [type~=match] { background: red; }
  line:nth-child(3n-1) { background: lime; }
  [hidden] { display: none; }
]]></style>
  <link rel="author" title="Ian Hickson" href="mailto:ian@hixie.ch"/>
  <link rel="help" href="https://www.w3.org/TR/css3-selectors/#selectors"/> <!-- bogus link to make sure it gets found -->
  <meta name="flags" content=" namespace" />
 </head>
 <body>
 <test xmlns="http://www.example.org/">
  <line type="">This line should be unstyled.</line>
  <line type="match">This line should be green.</line>
  <line type="">This line should be unstyled.</line>
  <line type="">This line should be unstyled.</line>
  <line type="match">This line should be green.</line>
  <line type="">This line should be unstyled.</line>
  <line type="" hidden="hidden">This line should be unstyled.</line>
  <line type="match">This line should be green.</line>
  <line type="">This line should be unstyled.</line>
  <line type="">This line should be unstyled.</line>
  <line type="match">This line should be green.</line>
  <line type="">This line should be unstyled.</line>
  <line type="" hidden="hidden">This line should be unstyled.</line>
  <line type="match" hidden="hidden">This line should be green.</line>
  <line type="">This line should be unstyled.</line>
  <line type="">This line should be unstyled.</line>
  <line type="match">This line should be green.</line>
  <line type="">This line should be unstyled.</line>
  <line type="">This line should be unstyled.</line>
  <line type="match">This line should be green.</line>
  <line type="">This line should be unstyled.</line>
 </test>
</body>
</html>