     /*
     * Variable stores UICheckbox border color
     */
-    @IBInspectable var borderColor: UIColor = UIColor.lightGray {
+    @IBInspectable open var borderColor: UIColor = UIColor.lightGray {
         didSet {
             layer.borderColor = borderColor.cgColor
         }

    /*
    * Variable stores UICheckbox border radius
    */
    @IBInspectable var cornerRadius: CGFloat = 5.0 {
        didSet {
            layer.cornerRadius = cornerRadius
        }

    /*
    * Variable describes UICheckbox padding
    */
    @IBInspectable open var padding: CGFloat = CGFloat(15)

   /*
   * Variable describes UICheckbox border width
   */
    @IBInspectable open var borderWidth: CGFloat = 2.0 {
        didSet {
            layer.borderWidth = borderWidth
        }
