[Gimp]

PHP Code:

      if ($loggedin['usergroupid'] == 6 and $highlightadmin) {
          $username = "<b><i>$loggedin[username]</i></b>";
      } else if (($mod["$userid"] or $loggedin['usergroupid'] == 5) and $highlightadmin) {
          $username = "<b>$loggedin[username]</b>";
      } else {
        $username = $loggedin['username'];
      } 


look in the index.php file for this and change it as like it fits ur needs no need to change the CSS or anything like that only the code