p            { font-size: 24pt; text-decoration: underline; letter-spacing: -1pt; color: 
               #800000; font-variant: small-caps }
span.primletra { text-decoration: overline; color: #FF0000; font-weight: bold }
.ejercicio   { text-align: justify; border: 1px dotted #800080; margin-left: 5; 
               margin-right: 5; margin-top: 10; margin-bottom: 5; 
               background-color: #C0C0C0 }