.principal  { color: #ffffff; font-size: 12px; font-family: Arial, Helvetica, sans-serif; text-align: justify }
.cursos  { color: #ffffff; font-size: 9px; font-family: Verdana, Arial, Helvetica, sans-serif }
.titulo_trabajos {  font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-weight: bold; color: #0099CC}