.products.row {
    display: flex;
    flex-wrap: wrap;
    margin: -10px; /* Negative margin to offset the item margins */
}

.products.row .product-category {
    flex: 1 1 calc(25% - 20px); /* Adjusted width to account for margins */
    box-sizing: border-box;
    margin: 10px; /* Space around each item */
}