.related-products {
  display: block;
}

.related-products__heading {
  margin: 0 0 2rem;
  font-weight: 700;
  font-size: 20px;
  line-height: 1;
  color: #000000;
  text-align: center;  
}
@media(min-width:992px){
  .related-products__heading {
    margin: 0 0 3.2rem;
    font-size: 24px; 
  }  
}