 
     override public var enabled: Bool {
         didSet {
-            self.backgroundColor = UIColor.greyA()
+            self.backgroundColor = .greyA()
         }
     }
 
     override public func sharedSetup() {
         self.titleLabel?.font = UIFont.typewriterFont(14.0)
         self.titleLabel?.numberOfLines = 1
-        self.setTitleColor(UIColor.blackColor(), forState: UIControlState.Normal)
-        self.setTitleColor(UIColor.blackColor(), forState: UIControlState.Disabled)
-        self.backgroundColor = UIColor.greyA()
+        self.setTitleColor(.blackColor(), forState: UIControlState.Normal)
+        self.setTitleColor(.blackColor(), forState: UIControlState.Disabled)
+        self.backgroundColor = .greyA()
     }
 
 }


    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)
    }
}


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

