     open override func layoutSubviews() {
         super.layoutSubviews()
         
-        layer.cornerRadius = bounds.size.height / 2.0
+        contentView.layer.cornerRadius = bounds.size.height / 2.0
     }
 }

    }
    open override var tintColor: UIColor! {
        didSet {
            backgroundColor = tintColor
        }
    }
    

    
    // MARK: Properties
    
    private let contentView = UIView()
    private let label = UILabel()
    
    internal var value: String? {
