body {
  background-color: rgb(190, 22, 22);
  margin: 0;
  border-radius: 2cm;
  border-color: black;
}
.titulo {
  margin: 2cm;
  padding: 2cm;
  background-color: aqua;
}
.parte-1 {
  margin: 1cm;
  padding: 1cm;
  background-color: rgb(162, 105, 214);
}
.sub-title {
  grid-area: auto;
  background-color: aquamarine;
  text-align: center;
}
.parte-2 {
  background-color: darkblue;
}
.part1 {
  background-color: aliceblue;
  border-color: black;
  border-radius: 1cm;
}
.part2 {
  background-color: coral;
  border: 2cm yellow radius;
}