<html xmlns="http://www.w3.org/1999/xhtml">
 <head>
  <title>CSS: @namespace and default namespaces</title>
  <style type="text/css">
   @namespace url(http://www.example.org/);
   :first-child { color: red; }
   element { color: red; }
   [attribute] { color: red; }
   #id { color: red; }   
   * { color: red; }
   .class { color: red; }
  </style>
 </head>
 <body style="color: green"> <!-- I needed a way that would not interfere with the @namespace rule at all -->
  <tests xmlns="http://www.example.com/not-the-default">
   <first-child> None of this </first-child>
   <element> text should be </element> 
   <attribute attribute="attribute"> matching the style </attribute>
   <span id="id" xmlns="http://www.w3.org/1999/xhtml"> rules, and thus </span>
   <universal> none of it </universal>
   <span class="class" xmlns="http://www.w3.org/1999/xhtml"> should be red. </span>
  </tests>
 </body>
</html>