         }
     }
 
-    @IBInspectable var shadowOpacity: Float {
+    @IBInspectable open var shadowOpacity: Float {
         get {
             return layer.shadowOpacity
         }


    // MARK: - Border

    @IBInspectable var borderWidth: CGFloat {
        get {
            return layer.borderWidth
        }

        }
    }

    @IBInspectable open var borderColor: UIColor? {
        get {
            return layer.borderColor.flatMap(UIColor.init)
        }
