.related-products {
  display: block;
}

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

.related-products .grid__item {
    width: 100%;
    max-width: 100%;
}

.related-products .swiper-button-next:after, 
.related-products .swiper-button-prev:after {
    display: none !important;
}