.letras {  font-family: Arial, Helvetica, sans-serif; font-weight: bold; font-size: 12px; color: #000000; text-align: center }

.letras2 {  font-family: Arial, Helvetica, sans-serif; font-weight: bold; font-size: 12px; color: #3300CC; text-align: center }
.letras3 {  font-family: Arial, Helvetica, sans-serif; font-weight: bold; font-size: 14px; color: #3300CC; text-align: center }

.borde {
      width: 14cm;
      border-width: 1px;
     border-style: ridge; 
      border-color: #000 #000;

  }
.letrasf {  font-family: Arial, Helvetica, sans-serif; font-weight: bold; font-size: 10px; color: #ffffff; text-align: center }