.heading {  font-family: Arial, Helvetica, sans-serif; font-size: 18pt; font-weight: bolder; color: #FF0000}
.nav {  font-family: Arial, Helvetica, sans-serif; font-size: 10pt; font-weight: bold; color: #FFFF00; text-decoration: none}
.nav:hover {  font-family: Arial, Helvetica, sans-serif; font-size: 10pt; font-weight: bold; color: #FFFFFF; text-decoration: underline}
.bg1 {  color: #000000; background-color: #FFFFFF}
.bg2 {  color: #FFFFFF; background-color: #000033}