         addSubview(pageControl)
         addSubview(button)
         
-        let constraintsEffect:[NSLayoutConstraint] = NSLayoutConstraint.equals(
-            view:visualEffect,
+        let constraintsBlur:[NSLayoutConstraint] = NSLayoutConstraint.equals(
+            view:blur,
             toView:self)
         
         let constraintsCollection:[NSLayoutConstraint] = NSLayoutConstraint.equals(

        backgroundColor = UIColor.clear
        self.controller = controller as? CHelp
        
        let blurEffect:UIBlurEffect = UIBlurEffect(style:UIBlurEffectStyle.extraLight)
        let visualEffect:UIVisualEffectView = UIVisualEffectView(
            effect:blurEffect)
        visualEffect.isUserInteractionEnabled = false
        visualEffect.translatesAutoresizingMaskIntoConstraints = false
        visualEffect.clipsToBounds = true
        
        let button:UIButton = UIButton()
        button.backgroundColor = UIColor.genericLight

            view:pageControl,
            toView:self)
        
        addConstraints(constraintsBlur)
        addConstraints(constraintsCollection)
        
        addConstraints([
