.related-products {
  display: block;
}

.related-products__heading, .related-products__heading--center, .related-products__heading--right {
  margin: 0 0 3rem;
  display: flex;
}

.related-products__heading--center {
  justify-content: center;
}

.related-products__heading--right {
  justify-content: flex-end;
}