             closeButton?.widthAnchor.constraint(equalToConstant: 52.0),
             ].map { $0?.isActive = true }
     }
-    
+
     func layoutPageControl() {
         pageControl.translatesAutoresizingMaskIntoConstraints = false
         let constraints = [

            scrollView.leftAnchor.constraint(equalTo: view.leftAnchor, constant: 0.0),
            ].map { $0.isActive = true }
    }
    
    func layoutCloseButton() {
        closeButton?.translatesAutoresizingMaskIntoConstraints = false
        let constraints = [

// MARK: - Setup Layout

fileprivate extension ViewController {

    func layoutScrollView() {
        scrollView.translatesAutoresizingMaskIntoConstraints = false
        let constraints = [
