#product-navigation {
    margin-top: 0;
    display: flex;
    justify-content: space-between;
    gap: 10px;
}

#product-navigation a {
    background: #565c55;
    color: #fff;
}

#product-navigation a:hover {
    background: #3d433b;
    color: #fff;
}

#product-navigation .prev-product {
    margin-left: auto;
}

#product-navigation .next-product {
    margin-right: auto;
}