.related-products {
  display: block;
}

.related-products__heading {
  margin: 0 0 2rem;
  position: relative;
  display: inline-block;
}

.related-products__heading:after {
  background-color: #000000;
  content: "";
  display: block;
  width: 22px;
  height: 1px;
  position: absolute;
  right: -25px;
  bottom: 10px;
}