body {
  background-color: #FFFF66;
  color:  #336633;
  font-family: Verdana, geneva, w3-pink;
  margin: 20px;
  
}
h2{
  color: #FF6600;
  font-family: w3-pink;
  border-left: 5px dotted #FF6600;
  border-bottom: 5px dotted #FF6600;
  padding: 20px;
}
.letras_minus {
 list-style-type: lower-alpha}
.cuadrado { 
 list-style-type: square}
.registrado {
 list-style-type: "#174"}
 table{
  margin-left: 25%;
   width: 50%;
   border: 2px#00FFFF solid;
   border-collapse: collapse}
   td,th {
   border: 2px#00FFFF solid;
   padding: 10px}
   th {
    background-color: #FFFF66}
    .dcha{
    text-align: right}
    .sin {
    list-style-type: none}