     let messageWindow = MessageWindow()
     messageWindow.frame = UIScreen.main.bounds
     messageWindow.isHidden = false
-    messageWindow.windowLevel = .normal
+    messageWindow.windowLevel = config.windowLevel
     messageWindow.backgroundColor = .clear
     messageWindow.messageBarController.statusBarHidden = config.isStatusBarHidden
     messageWindow.rootViewController = messageWindow.messageBarController

                errorIcon: UIImage? = nil,
                titleFont: UIFont = Defaults.titleFont,
                messageFont: UIFont = Defaults.messageFont,
                isHapticFeedbackEnabled: Bool = Defaults.isHapticFeedbackEnabled) {
      self.errorColor = errorColor
      self.successColor = successColor
      self.infoColor = infoColor

      public static let titleFont: UIFont = .boldSystemFont(ofSize: 16)
      public static let messageFont: UIFont = .systemFont(ofSize: 14)
      public static let isHapticFeedbackEnabled = true
      public static let windowLevel = UIWindow.Level.normal
    }

    let errorColor: UIColor
