 
     override public var enabled: Bool {
         didSet {
-            self.backgroundColor = enabled ? UIColor.blackColor() : UIColor.grey231F20()
+            self.backgroundColor = enabled ? .blackColor() : .grey231F20()
         }
     }
 


    override public var enabled: Bool {
        didSet {
            self.backgroundColor = enabled ? UIColor.whiteColor() : UIColor.greyA()
        }
    }

    override public var selected: Bool {
        didSet {
            self.backgroundColor = selected ? UIColor.blackColor() : UIColor.whiteColor()
        }
    }

    override public func sharedSetup() {
        super.sharedSetup()
        self.titleLabel?.font = UIFont.typewriterFont(12.0)
        self.setTitleColor(UIColor.whiteColor(), forState: UIControlState.Selected)
    }
}

    func sharedSetup() {
        self.titleLabel?.font = UIFont.typewriterFont(14.0)
        self.titleLabel?.numberOfLines = 1
        self.setTitleColor(.whiteColor(), forState: UIControlState.Normal)
        self.setTitleColor(.greyA(), forState: UIControlState.Disabled)
        self.backgroundColor = enabled ? .blackColor() : .grey231F20()
    }

}
