     // MARK: - perform animation
     public func performPresentAnimation() {
         
-        view.alpha = 0.0
+        view.hidden = true
         pagingScrollView.alpha = 0.0
         
         let fadeView = UIView(frame: CGRect(x: 0, y: 0, width: screenWidth, height: screenHeight))

                    }
                },
                completion: { (Bool) -> Void in
                    self.view.alpha = 1.0
                    self.pagingScrollView.alpha = 1.0
                    fadeView.removeFromSuperview()
            })

                    }
                },
                completion: { (Bool) -> Void in
                    self.view.hidden = false
                    self.pagingScrollView.alpha = 1.0
                    self.resizableImageView.alpha = 0.0
                    fadeView.removeFromSuperview()
