.container{
  width: 80%;
  margin-left:10%
}
.encabezado{
  width: 100%;
  height: 100px;
  background:#2196F3;
  font-size: xx-small;
  padding-top: 5px;
  padding-left: 5px;
}
.pie-de-pagina{
  width: 100%;
  height: 50px;
  background:#9E9E9E;
  margin-top: 100px;
  font-size: small;
  text-align: center;
  align-content: center;
}
.DIVISION-X{
  width: 100%;
  height: 400px;
  background: darkblue;
  font-size: xx-small;
  color:white;
  padding-top: 5px;
  padding-left: 5px;
}
.DIVISION-X1{
  width: 30%;
  height: 340px;
  background: blue;
  float:left;
  text-align: center;
  align-content: center;
  margin-left: 15px;
  margin-right: 10px;
  color:black;
  font-size:large;
}
.DIVISION-X2{
  width: 30%;
  height: 150px;
  background: green;
  float:left;
  text-align: center;
  align-content: center;
  margin-left: 10px;
  margin-right: 10px;
  color:black;
  font-size:medium;
}
.DIVISION-X3{
  width: 30%;
  height: 150px;
  background: gray;
  float:left;
  text-align: center;
  align-content: center;
  margin-left: 10px;
  margin-right: 10px;
  color:black;
  font-size:small;
}