.related-products {
  display: block;
}

.related-products__heading {
  margin: 0 0 3rem;
}
@media(min-width: 990px){
  .related-products .slider--desktop.grid--4-col-desktop .grid__item{
    width: calc(100% - var(--grid-desktop-horizontal-spacing) * 3);
  }
}
.related-products .slider--desktop:after{
  padding-left: 0;
}