#topo-1 {
  display: grid;
  justify-items: center;
  margin-bottom: 50px;
}

#topo-2 {
  grid-template-columns: repeat(2, 1fr);
}

#topo-item1 {
  grid-column: 1;
}
#topo-item2 {
  grid-column: 1;
}
#topo-item3 {
  grid-column: 2;
}
#topo-item4 {
  grid-column: 1;
}