     case smallLabelSize(CGFloat)
     case extraBottomViewSize(CGFloat)
     case shouldAddButtonViewIcon(Bool)
+    case shouldChangeSelectedItemBackgroundColor(Bool)
     
 }
 

                    extraBottomViewSize = value
                case let .shouldAddButtonViewIcon(value):
                    shouldAddButtonViewIcon = value
                }
            }
            

    open var smallLabelSize: CGFloat = 20.0
    open var extraBottomViewSize: CGFloat = 0.0
    open var shouldAddButtonViewIcon: Bool = false
    open var shouldChangeSelectedItemBackgroundColor: Bool = false
    
    var currentOrientationIsPortrait : Bool = true
    var pageIndexForOrientationChange : Int = 0
