.post-type-archive-product .product.outofstock,
.tax-product_cat .product.outofstock,
.tax-product_tag .product.outofstock {
    order: 1; /* Move to the end */
}

.product.outofstock .woocommerce-loop-product__link,
.product.outofstock img {
    filter: grayscale(100%);
    opacity: 0.7;
    transition: all 0.3s ease-in-out;
}

.product.outofstock:hover .woocommerce-loop-product__link,
.product.outofstock:hover img {
    filter: grayscale(50%);
    opacity: 0.85;
}