.related-products {
  display: block;
}

.related-products__heading {
  margin: 0 0 3rem;
  text-align:center;
}

@media only screen and (min-width:750px){
  .product-grid{column-gap:30px;justify-content:center;}
}
@media screen and (min-width: 750px) and (max-width: 989px) {
  .product-grid.grid--2-col-tablet-down .grid__item{width:48%;max-width:50%;}
}
@media only screen and (max-width:749px){
  .product-grid.grid--2-col-tablet-down .grid__item{width:100%;max-width:100%;}
}