     
     /**
      Add width constraint
-     
+
      - parameter element:   AnyObject
      - parameter rule:      String (examples: "<=200", ">300", "200")
      */

    
    /**
     Sets the layer properties.
     */
    private func setupLayerProperties() {
        layer.borderWidth = options.borderWidth
        layer.borderColor = options.borderColor.CGColor

    }
    
    /**
     Sets the UIImageView properties.
    */
    private func setupImageView() {
        addSubview(imageView!)
