         scrollView.pagingEnabled = true
         scrollView.delegate = self
 
+        scrollView.addSubview(self.containerView)
+
         return scrollView
     }()
     public lazy var pageControl: UIPageControl = {

    }

    private func clearSubviewsInScrollView() {
        scrollView.subviews.map { view -> Void in
            view.removeFromSuperview()
            view.snp_removeConstraints()
        }


        return pageControl
    }()
    private lazy var containerView = UIView()

    // MARK: `init` funcs
    public required init(coder aDecoder: NSCoder) {
