     private let normalFontAttributes = [NSFontAttributeName: UIFont.systemFontOfSize(16), NSForegroundColorAttributeName: UIColor.whiteColor()]
     private let bgColor = UIColor(rgb: 0xADB5BD)
     private let separatorBgColor = UIColor(rgb: 0xC7CBD3)
+    private let margin: CGFloat = 10
     
     //MARK:- instance variables
     weak var delegate : QuerySuggestionDelegate? = nil

    
    
    private func showSuggestions(suggestions: [String]) {
        var x: CGFloat = 10
        var index = 0
        
        for suggestion in suggestions {
            let suggestionWidth = getWidth(suggestion)
            // show Max 3 suggestions which does not exceed screen width
            if x + suggestionWidth > self.frame.width || index > 2 {
                break;
            }
            
            // Adding vertical separator between suggestions
            if index > 0 {
                let verticalSeparator = createVerticalSeparator(x)

            scrollView.addSubview(suggestionButton)
            
            // increment step
            x = x + suggestionWidth + 2*margin + 1
            index = index + 1
        }
    }
