.related-products {
  display: block;
}

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

product-recommendations.related-products ul.product-grid li.grid__item {
    max-width: 305px !important;
width:300px;
    
}


@media (max-width:770px){
product-recommendations.related-products ul.product-grid {
    display: grid;
}

product-recommendations.related-products ul.product-grid li.grid__item   {
    width: 100%;
    max-width: 100%;
}
}