 
     }
 
-    @IBInspectable var buttonBackgroundColor: UIColor? {
+    @IBInspectable open var buttonBackgroundColor: UIColor? {
 
         didSet {
 


    }

    @IBInspectable var initialColor: UIColor? {

        didSet {



    }

    @IBInspectable open var downloadColor: UIColor? {

        didSet {

