.nusa-product-checkout-form {
    margin-top:20px;
}

.nusa-product-checkout-form form.cart {
    display:flex;
    flex-direction:column;
    gap:12px;
}

.nusa-product-checkout-form .quantity input {
    min-height:40px;
}

.nusa-product-checkout-form .single_add_to_cart_button {
    border-radius:8px;
    min-height:44px;
}