a:link {  font-family: Arial, Helvetica, sans-serif; color: yellow; text-decoration: none}
a:hover {  font-family: Arial, Helvetica, sans-serif; color: yellow; text-decoration: underline}
a:visited {  font-family: Arial, Helvetica, sans-serif; color: red; text-decoration: none}
a:active {  font-family: Arial, Helvetica, sans-serif; color: red}