     {
         if open
         {
-            layoutTop.constant = VAlert.kMarginTop
+            layoutTop.constant = kMarginTop
         }
         else
         {

                constant:-kHeight)
            
            rootView.addConstraint(alert.layoutTop)
            rootView.setNeedsLayout()
            alert.animate(open:true)
        }
    }

        translatesAutoresizingMaskIntoConstraints = false
        layer.cornerRadius = kCornerRadius
        layer.borderWidth = kBorderWidth
        layer.borderColor = UIColor(white:0, alpha:0.1).cgColor
        
        let blurEffect:UIBlurEffect = UIBlurEffect(style:UIBlurEffectStyle.extraLight)
        let blur:UIVisualEffectView = UIVisualEffectView(effect:blurEffect)
