.related-products {
  display: block;
}

.related-products__heading {
  position: relative;
  margin: 0 0 6rem;
}

.related-products__heading:after {
  content: '';
  position: relative;
  top: 24px;
  display: block;
  width: 36px;
  height: 3px;
  background-color: #ddd;
}

.related-products .card__heading {
  font-size: 24px;
}