a:link {  font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 13px; font-weight: normal; color: #FFFF00; text-decoration: none; background-color: #3300CC; text-align: center; height: 0.5cm; width: 3cm; vertical-align: middle; margin-bottom: 5px}
a:visited {  font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 13px; color: #FFFF00; text-decoration: none; background-color: #0033CC; height: 0.5cm; width: 3cm; text-align: center; vertical-align: middle; padding-bottom: 5px; margin-bottom: 5px}
a:hover {  font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 13px; color: #FFFF00; text-decoration: none; background-color: #FF0000; vertical-align: middle; height: 0.5cm; width: 3cm; text-align: center; margin-bottom: 5px}