css/CSS2/syntax/declaration-001.xht

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
                      "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
 <head>
  <title>CSS Test: malformed declaration missing ':', value, part 1</title>
  <link rel="author" title="Boris Zbarsky" href="mailto:bzbarsky@mit.edu"/>
  <link rel="help" href="http://www.w3.org/TR/CSS21/syndata.html#parsing-errors"/>
  <link rel="match" href="../reference/ref-this-text-should-be-green.xht"/>
  <meta name="flags" content="invalid"/>
  <style type="text/css">
    p { color:green; color }
  </style>
 </head>
 <body>
   <p>This text should be green.</p>
 </body>
</html>