.titulos {  font-family: Arial, Helvetica, sans-serif; font-size: 36px; font-weight: bold}
.titulos2 {  font-family: Arial, Helvetica, sans-serif; font-size: 18px; font-weight: bold}
.titulos3 {  font-family: Arial, Helvetica, sans-serif; font-size: 12px; font-style: italic; font-weight: bold; background-color: #009900}
.titulos4 {  font-family: Arial, Helvetica, sans-serif; font-size: 18px; font-weight: bold; background-color: #CC0000}
.seccion {  font-family: Arial, Helvetica, sans-serif; font-size: 12px; font-style: italic; font-weight: bold; background-color: #0000CC; background-repeat: repeat}