.nav_link {  font-family: Arial, Helvetica, sans-serif; font-size: 13px; font-weight: bold; color: #003333; text-decoration: none}
.nav_nav {  font-family: Arial, Helvetica, sans-serif; font-size: 13px; font-weight: bold; color: #003333; text-decoration: underline}
a:hover {  text-decoration: underline}