 
     private func configureContent() {
         self.content.delegate = self
-
         self.content.scalesPageToFit = true
         self.content.opaque = false
         self.setThemeForWebView(self.content)
-
         if #available(iOS 9, *) { self.content.allowsLinkPreview = true }
     }
 

        if let loc = NSBundle.mainBundle().URLForResource("prism.js", withExtension: "html"),
            let prismJS = try? NSString(contentsOfURL: loc, encoding: NSUTF8StringEncoding) as String {
                return prismJS
        }
        return ""
    }()

    public init(feedRepository: FeedRepository,

        guard self.lastArticleIndex > 0 else { return }
        self.lastArticleIndex--
        self.setArticle(self.articles[lastArticleIndex])
        if let article = self.article { self.showArticle(article, onWebView: self.content) }
    }

    @objc private func showNextArticle() {
        guard self.lastArticleIndex < self.articles.count else { return }
        self.lastArticleIndex++
        self.setArticle(self.articles[lastArticleIndex])
        if let article = self.article { self.showArticle(article, onWebView: self.content) }
    }

    @objc private func toggleArticleRead() {
