@IBAction func homeButtonPressed(_ sender: UIButton) {
        configMenuButton(button: homeButton, isSelected: true)
        configMenuButton(button: myAccountButton, isSelected: false)
        configMenuButton(button: myCartButton, isSelected: false)
        configMenuButton(button: favoriteProductsButton, isSelected: false)
        configMenuButton(button: contactButton, isSelected: false)

        let storyboard = UIStoryboard(name: "Home", bundle: nil)
        let homeVC =  storyboard.instantiateViewController(withIdentifier: "HomeVC") as! HomeViewController
        self.slideMenuController?.setMain(viewController: FUPNavigationController(rootViewController: homeVC))
    }

    @IBAction func myAccountButtonPressed(_ sender: UIButton) {
        guard CredentialManager.shared.userIsAuthenticated else { return showNotLoggedInAlert() }
        configMenuButton(button: homeButton, isSelected: false)
        configMenuButton(button: myAccountButton, isSelected: true)
        configMenuButton(button: myCartButton, isSelected: false)
        configMenuButton(button: favoriteProductsButton, isSelected: false)
        configMenuButton(button: contactButton, isSelected: false)
        let storyboard = UIStoryboard(name: "Home", bundle: nil)
        let myAccountVC =  storyboard.instantiateViewController(withIdentifier: "MyAccountVC") as! MyAccountViewController
        self.slideMenuController?.setMain(viewController: FUPNavigationController(rootViewController: myAccountVC))
    }

    @IBAction func myBasketButtonPressed(_ sender: UIButton) {
        guard CredentialManager.shared.userIsAuthenticated else { return showNotLoggedInAlert() }
        configMenuButton(button: homeButton, isSelected: false)
        configMenuButton(button: myAccountButton, isSelected: false)
        configMenuButton(button: myCartButton, isSelected: true)
        configMenuButton(button: favoriteProductsButton, isSelected: false)
        configMenuButton(button: contactButton, isSelected: false)
        let storyboard = UIStoryboard(name: "Home", bundle: nil)
        let myCartVC =  storyboard.instantiateViewController(withIdentifier: "MyCartVC") as! MyCartViewController
        self.slideMenuController?.setMain(viewController: FUPNavigationController(rootViewController: myCartVC))
    }

    @IBAction func favouriteProductsButtonPressed(_ sender: UIButton) {
        guard CredentialManager.shared.userIsAuthenticated else { return showNotLoggedInAlert() }
        configMenuButton(button: homeButton, isSelected: false)
        configMenuButton(button: myAccountButton, isSelected: false)
        configMenuButton(button: myCartButton, isSelected: false)
        configMenuButton(button: favoriteProductsButton, isSelected: true)
        configMenuButton(button: contactButton, isSelected: false)
        let storyboard = UIStoryboard(name: "Home", bundle: nil)
        let favoritesVC =  storyboard.instantiateViewController(withIdentifier: "FavoritesVC") as! FavoritesViewController
        self.slideMenuController?.setMain(viewController: FUPNavigationController(rootViewController: favoritesVC))
    }

    @IBAction func contactButtonPressed(_ sender: UIButton) {
        configMenuButton(button: homeButton, isSelected: false)
        configMenuButton(button: myAccountButton, isSelected: false)
        configMenuButton(button: myCartButton, isSelected: false)
        configMenuButton(button: favoriteProductsButton, isSelected: false)
        configMenuButton(button: contactButton, isSelected: true)
        let storyboard = UIStoryboard(name: "Home", bundle: nil)
        let contactVC =  storyboard.instantiateViewController(withIdentifier: "ContactVC") as! ContactViewController
        self.slideMenuController?.setMain(viewController: FUPNavigationController(rootViewController: contactVC))
    }