.type-product { 
    .custom-gallery-wrapper {
        display: flex;

        .custom-gallery-thumbs {
            img {
                width: 100px;
                aspect-ratio: 1/1;
            }
        }

        .custom-gallery-main-image {
            .woocommerce-product-gallery__image {
                width: 500px;
                height: 500px;
                aspect-ratio: 1/1;
            }
        }
    }
}