         return true
     }
 
-    override public func endTracking(_ touch: UITouch?, with event: UIEvent?) {
+    override open func endTracking(_ touch: UITouch?, with event: UIEvent?) {
         
         self.sendActions(for: .touchUpInside)
 

        }
    }
    
    public override func prepareForInterfaceBuilder() {
        super.prepareForInterfaceBuilder()
    }
    
    // IBInspectable should support UIFont: http://www.openradar.me/22835760
    // @IBInspectable
    public var timersFont: UIFont! {
        didSet {
            leftLabel?.font = timersFont
            rightLabel?.font = timersFont

            sliderView?.backgroundColor = newValue
        }
    }
    @IBInspectable open var elapsedTextColor: UIColor? {
        get {
            return leftLabel?.textColor
        }
