     var pageControl: UIPageControl!
     var backButton: UIButton!
     var forwardButton: UIButton!
-    //var signInButton: UIButton!
 
     var bgColors = [UIColor]()
 
     private var scrollView: IntroOverlayScrollView!
 
     var slideVerticalScaleFactor: CGFloat = 1.0
+
+    var arrow: UIImageView?
 
     override func viewDidLoad() {
         view.backgroundColor = UIColor.whiteColor()

                make.bottom.equalTo(pageControl)
                make.centerX.equalTo(pageControl)
            }
            UIView.animateWithDuration(0.2) {
                self.arrow.alpha = 1.0
                self.pageControl.alpha = 0

        }

        for slideName in IntroViewControllerUX.CardSlides {
            if let image = UIImage(named: slideName) {
                slides.append(image)
            }
        }

        startBrowsingButton = UIButton()
