     
     // MARK: - Private properties
     
-    fileprivate var lightBackgroundBlur: UIVisualEffectView!
-    fileprivate var darkBackgroundBlur: UIVisualEffectView!
+    fileprivate var backgroundBlur: UIVisualEffectView!
     fileprivate let stackView = UIStackView()
     fileprivate var buttons = [TabButton]()
     

    func setupViews() {
        let lightStyle = UIBlurEffectStyle.extraLight
        let lightBlurEffect = UIBlurEffect(style: lightStyle)
        lightBackgroundBlur = UIVisualEffectView(effect: lightBlurEffect)
        setupFullSize(lightBackgroundBlur)
        
        let darkStyle = UIBlurEffectStyle.dark
        let darkBlurEffect = UIBlurEffect(style: darkStyle)
        darkBackgroundBlur = UIVisualEffectView(effect: darkBlurEffect)
        setupFullSize(darkBackgroundBlur)
        
        stackView.distribution = .fillEqually
        setupFullSize(stackView)

    }
    
    func updateBackground() {
        let style = lightBackground ? UIBlurEffectStyle.extraLight : .dark
        let blurEffect = UIBlurEffect(style: style)
        backgroundBlur.effect = blurEffect
    }
    
}
