         translatesAutoresizingMaskIntoConstraints = false
         self.controller = controller
         
-        let blurEffect:UIBlurEffect = UIBlurEffect(style:UIBlurEffectStyle.light)
+        let blurEffect:UIBlurEffect = UIBlurEffect(style:UIBlurEffectStyle.extraLight)
         let visualEffect:UIVisualEffectView = UIVisualEffectView(effect:blurEffect)
         visualEffect.translatesAutoresizingMaskIntoConstraints = false
         visualEffect.isUserInteractionEnabled = false

        buttonCancel.setTitle(
            NSLocalizedString("VPhotosAlbumSelection_buttonCancel", comment:""),
            for:UIControlState.normal)
        buttonCancel.titleLabel!.font = UIFont.medium(size:16)
        buttonCancel.addTarget(
            self,
            action:#selector(actionCancel(sender:)),

            metrics:metrics,
            views:views))
        addConstraints(NSLayoutConstraint.constraints(
            withVisualFormat:"V:|-50-[labelTitle(30)]",
            options:[],
            metrics:metrics,
            views:views))
        addConstraints(NSLayoutConstraint.constraints(
            withVisualFormat:"V:|-95-[background]-95-|",
            options:[],
            metrics:metrics,
            views:views))
