css/css-namespaces/syntax-014.xml

<html xmlns="http://www.w3.org/1999/xhtml">
 <head>
  <link rel="author" title="Anne van Kesteren" href="http://annevankesteren.nl/"/>
  <link rel="author" title="Opera Software ASA" href="http://opera.com/"/>
  <link rel="help" href="http://www.w3.org/TR/css-namespaces-3/#syntax"/>
  <link rel="match" href="reference/ref-lime-3.xml"/>
  <meta name="flags" content="invalid"/>
  <title>CSS Namespaces Test Suite: @namespace and invalid at-rules</title>
  <style>
   t, t2, t3 { background:red }
  </style>
  <style>
   @import x {}
   @namespace x "test";
   x|t { background:lime }
  </style>
  <style>
   @namespace x "test-top";
   @foobar this is funny { not:sure }
   @namespace "test";
   @foobar this is funner;
   t2 { background:lime }
   x|t3 { background:lime }
   </style>
 </head>
 <body>
  <p><t xmlns="test">This sentence should have a green background.</t></p>
  <p><t2 xmlns="test">This sentence should have a green background.</t2></p>
  <p><t3 xmlns="test-top">This sentence should have a green background.</t3></p>
 </body>
</html>