     {
         spinner.startAnimating()
         viewSlider.isHidden = true
-        buttonDone.isHidden = true
+        buttonDone.isUserInteractionEnabled = false
+        buttonReset.isUserInteractionEnabled = false
+        buttonDone.alpha = kAlphaLoading
+        buttonReset.alpha = kAlphaLoading
     }
 }

        
        NSLayoutConstraint.equals(
            view:blur,
            toView:self)
        
        NSLayoutConstraint.bottomToTop(

            self,
            action:#selector(actionDone(sender:)),
            for:UIControlEvents.touchUpInside)
        self.buttonDone = buttonDone
        
        let buttonReset:UIButton = UIButton()
        buttonReset.translatesAutoresizingMaskIntoConstraints = false
