a:link    {font-weight:normal;   color:green;   text-decoration:none;}

a:visited {font-weight:normal;   color:blue;   text-decoration:none; }
a:focus   {font-weight:normal;   color:yellow; text-decoration:underline; }
a:hover   {font-weight:normal;   color:red;    text-decoration:none; }

a:active  {font-weight:normal;   color:lime;   text-decoration:underline; }