css/css-namespaces/prefix-005.xml

<root>
 <head xmlns="http://www.w3.org/1999/xhtml">
  <link rel="author" title="Anne van Kesteren" href="http://annevankesteren.nl/"/>
  <link rel="author" title="Opera Software ASA" href="http://opera.com/"/>
  <link rel="author" title="Boris Zbarsky" href="https://bugzilla.mozilla.org/show_bug.cgi?id=458381#c4"/>
  <link rel="help" href="http://www.w3.org/TR/css-namespaces-3/#prefixes"/>
  <link rel="match" href="reference/ref-lime-2-generic.xml"/>
  <title>CSS Namespaces Test Suite: no default namespace</title>
  <style>
   @namespace x "test";
   root *|* { background:red; display:block }
   head { display:none }
   t { background: lime }
  </style>
 </head>
 <t>This sentence should have a green background.</t>
 <t xmlns="test">This sentence should have a green background.</t>
</root>