pe="text/css">* { margin: 0; padding: 0 }<![CDATA[
   a {color: red;}
   a:link {color: blue;}
   a:visited {color: blue;}
   a:hover {color: blue;}
   a:focus {color: blue;}
   a:active {color: green;}
   #one {color: red;}
  ]]></style>
  <link rel="help" href="http://www.w3.org/TR/CSS21/selector.html#dynamic-pseudo-classes" title="5.11.3 The dynamic pseudo-classes: :hover, :active, and :focus"/>
 </head>
 <body>
  <p><a href="">While you are activating this link, it should go green.</a> Check that once y