letras {  font-family: Geneva, Arial, Helvetica, san-serif; font-size: 18px; font-style: normal; font-weight: bold; color: #C6CED0; text-decoration: none}
letrasclaras {  font-family: Geneva, Arial, Helvetica, san-serif; font-size: 16px; color: #9FACB3}
columna {  font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 12px; color: #333333; text-decoration: none}