             pageControl.centerXAnchor.constraint(equalTo: view.centerXAnchor),
             pageControl.rightAnchor.constraint(equalTo: view.rightAnchor, constant: 0.0),
             pageControl.leftAnchor.constraint(equalTo: view.leftAnchor, constant: 0.0),
-        ].map { $0.isActive = true }
+            ].map { $0.isActive = true }
     }
     
     func layoutCaptionLabel() {

            closeButton?.rightAnchor.constraint(equalTo: view.rightAnchor, constant: 0.0),
            closeButton?.heightAnchor.constraint(equalToConstant: 52.0),
            closeButton?.widthAnchor.constraint(equalToConstant: 52.0),
        ].map { $0?.isActive = true }
    }
    
    func layoutPageControl() {

        statusBarHidden = true
    }

}

// MARK: - Setup Layout

extension ViewController {
    
    func layoutScrollView() {
        scrollView.translatesAutoresizingMaskIntoConstraints = false
