     
     private func configHeaderImageScrollView() {
         headerImageScrollView = UIScrollView()
+        headerImageScrollView.backgroundColor = UIColor.lightGray
         headerImageScrollView.tag = 1000
         headerImageScrollView.delegate = self
         headerImageScrollView.translatesAutoresizingMaskIntoConstraints = false

    }
    
    private func configChildViewController() {
        let infoVC = MovieDetailInfoViewController()
        infoVC.scrollView.tag = 1001
        infoVC.scrollView.delegate = self
        addChildViewController(infoVC)
        infoVC.view.translatesAutoresizingMaskIntoConstraints = false
        view.addSubview(infoVC.view)
        infoVC.view.topAnchor.constraint(equalTo: view.topAnchor).isActive = true
        infoVC.view.leadingAnchor.constraint(equalTo: view.leadingAnchor).isActive = true
        infoVC.view.trailingAnchor.constraint(equalTo: view.trailingAnchor).isActive = true
        infoVC.view.bottomAnchor.constraint(equalTo: bottomLayoutGuide.topAnchor).isActive = true
        infoVC.didMove(toParentViewController: self)
    }
}

    var movieImageUrl: String!
    var collectionView: UICollectionView!
    let presenter = MovieDetailPresenter()
    let infoVC = MovieDetailInfoViewController()
    var headerImageScrollView: UIScrollView!
    var top: NSLayoutConstraint!
    var bottom: NSLayoutConstraint!
    
    override func viewDidLoad() {
        super.viewDidLoad()
