css3-modsel-27a.xml

Enable keyboard shortcuts

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">

 <head>

  <title>Impossible rules (:root:first-child, etc)</title>

  <style type="text/css"><![CDATA[

:root:first-child { background-color: red; }

:root:last-child { background-color: red; }

:root:only-child { background-color: red; }

:root:nth-child(1) { background-color: red; }

:root:nth-child(n) { background-color: red; }

:root:nth-last-child(1) { background-color: red; }

:root:nth-last-child(n) { background-color: red; }

:root:first-of-type { background-color: red; }

:root:last-of-type { background-color: red; }

:root:only-of-type { background-color: red; }

:root:nth-of-type(1) { background-color: red; }

:root:nth-of-type(n) { background-color: red; }

:root:nth-last-of-type(1) { background-color: red; }

:root:nth-last-of-type(n) { background-color: red; }

p { color: green; }]]></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 -->

 </head>

 <body>

<p>This line should be green (there should be no red on this page).</p>

</body>

</html>