#cabecera {
  border-style: none none groove;
  border-bottom: 1px groove black;
  width: 100%;
  height: 80px;
  background-position:  center center;
  background-repeat: no-repeat;
  position: absolute;
  background-image: url(../imagenes/logos/logo.png);
  background-color: #333333;
  top: 0px;
  left: 0px;
  z-index: 10;
}
.subcabecera {
  width: 100%;
  right: 0px;
  left: 0px;
  height: 33px;
  background-color: #990000;
  font-family: Arial,Helvetica,sans-serif;
  font-size: 18px;
  line-height: 30px;
  color: white;
  text-align: center;
  z-index: 10;
  margin-top: 100px;
  margin-left: 0%;
}
#centro {
  border-style: none;
  margin-left: 10%;
  width: 80%;
}
.tablader {
  border-right: 1px groove black;
  display: table;
  font-family: Arial,Helvetica,sans-serif;
}
.tablaizq {
  border-left: 1px groove black;
  border-right: 1px groove black;
  display: table;
  float: left;
  margin-top: 0%;
  font-family: Arial,Helvetica,sans-serif;
}
#inferior {
  border-style: none;
  width: 100%;
  margin-left: 0%;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  margin-top: 0px;
  display: table-footer-group;
  float: left;
  font-family: Arial,Helvetica,sans-serif;
  color: black;
  background-color: #990000;
}