a:link {  text-decoration: none}
a:visited {  text-decoration: none}
a:hover {  text-decoration: underline}
a:active {  text-decoration: underline}
a.upper_menu:link {  font-size: 16px}
a.upper_menu:hover {  font-size: 24px}
a.upper_menu:active {  font-size: 36px; text-decoration: line-through}
a.upper_menu:visited {  font-size: 9px; text-decoration: underline}