@media screen and (max-width: 989px) {
  recently-viewed-products {
     .product-grid  {
        gap: 2.5rem;
     }
  }
}

@media screen and (min-width: 990px) {
  .recently-viewed-products .product-grid.grid--4-col-desktop > .grid__item {
    max-width: 200px !important;
  }
}