.layout {
  display: grid;
  grid-template-columns: 1fr;
  grid-gap: 3rem;
}

@media screen and (min-width: 45rem) {
  .layout {
    grid-template-columns: 1fr 2fr;
  }
}

.layout aside section {
  margin-bottom: 3rem;
}

.layout aside h2 {
  margin-bottom: .75rem;
}