 
   func transition(controller: LightboxController, show: Bool) {
     controller.view.backgroundColor = .blackColor()
-    controller.view.alpha = show ? 1 : 0.95
-    controller.collectionView.alpha = show ? 1 : 0
+    controller.view.alpha = show ? 1 : 0.9
+    controller.collectionView.alpha = show ? 1 : 0.9
     lightboxController = controller
 
     if UIDevice.currentDevice().orientation != UIDeviceOrientation.LandscapeLeft
-      && UIDevice.currentDevice().orientation != UIDeviceOrientation.LandscapeRight{
+      && UIDevice.currentDevice().orientation != UIDeviceOrientation.LandscapeRight {
         if sourceViewCell != nil {
           self.sourceViewCell.lightboxView.imageView.center = CGPointMake(
             UIScreen.mainScreen().bounds.width/2, UIScreen.mainScreen().bounds.height/2)

      self.transition(lightboxViewController, show: self.presentingViewController)
      }, completion: { _ in
        if transitionContext.transitionWasCancelled() {
          UIView.animateWithDuration(Timing.transition/2, animations: { [unowned self] in
            self.sourceViewCell.lightboxView.imageView.center = CGPointMake(
              UIScreen.mainScreen().bounds.width/2, UIScreen.mainScreen().bounds.height/2)
            self.transition(lightboxViewController, show: true)

          })
        } else {
          if self.lightboxController.view.alpha < 0.97 && !self.presentingViewController {
            UIView.animateWithDuration(0.4, animations: { () -> Void in
              self.lightboxController.view.alpha = 0
              }, completion: { _ in
                transitionContext.completeTransition(true)
