.related-products {
  display: block;
}

.related-products__heading {
  margin: 0 0 3rem;
  font-size: calc(var(--font-heading-scale) * 1.2rem);
}

@media screen and (min-width: 750px) {
  .related-products__heading { font-size: calc(var(--font-heading-scale) * 1.3rem); }
}