.centro10 { font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 10px; padding-top: 10px; padding-right: 10px; padding-left: 10px; padding-bottom: 10px }
.centro12 { font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 12px; padding-top: 15px; padding-right: 15px; padding-left: 15px; padding-bottom: 15px}
.investigacion {  font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 10px}
.subrayado {  font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 12px; text-decoration: underline}
.diez {  font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 10px}