         searchController.dimsBackgroundDuringPresentation = false
         
         definesPresentationContext = true
-        collectionView?.backgroundColor = UIColor.whiteColor()
+        collectionView?.backgroundColor = UIColor.sb_White()
         collectionView?.alwaysBounceVertical = true
     }
    

                self.searchController.active = false
            }
            do {
                if let flashcards = try dataManager?.flashcards(forDeckWithId: deck.serverID) {

                   
                    let alert = UIAlertController(title: "Test czy nauka?", message: "Wybierz tryb, który chcesz uruchomić", preferredStyle: .Alert)
                    
                    let testButton = UIAlertAction(title: "Test", style: .Default){ (alert: UIAlertAction!) -> Void in
                        let alertAmount = UIAlertController(title: "Jaka ilość fiszek?", message: "Wybierz ilość fiszek w teście", preferredStyle: .Alert)
                        
                        func handler(act: UIAlertAction) {
                            if let title = act.title {
                                if let amount = UInt32(title) {
                               		resetSearchUI()
                                    self.performSegueWithIdentifier("StartTest", sender: Test(deck: flashcards, testType: .Test(amount)))
                                }
                            }
                        }
                        
                        let amounts = [ "1", "5", "10", "15", "20"]
                        for amount in amounts {
                            alertAmount.addAction(UIAlertAction(title: amount, style: .Default, handler: handler))
                        }
                        alertAmount.addAction(UIAlertAction(title: "Anuluj", style: UIAlertActionStyle.Cancel, handler: nil))
                        
                        self.presentViewController(alertAmount, animated: true, completion:nil)
                    }
                    let studyButton = UIAlertAction(title: "Nauka", style: .Default) { (alert: UIAlertAction!) -> Void in
                        resetSearchUI()
                        self.performSegueWithIdentifier("StartTest", sender: Test(deck: flashcards, testType: .Learn))
                    }
                    
                    alert.addAction(testButton)
                    alert.addAction(studyButton)
                    alert.addAction(UIAlertAction(title: "Anuluj", style: UIAlertActionStyle.Cancel, handler: nil))

                    presentViewController(alert, animated: true, completion:nil)
                }
            } catch let e {
                debugPrint(e)
            }

        }
        NSNotificationCenter.defaultCenter()
            .addObserver(self, selector: #selector(orientationChanged(_:)), name: UIDeviceOrientationDidChangeNotification, object: nil)
        decksArray = dataManager.decks(true)
        if initialLayout {
            adjustCollectionLayout(forSize: view.bounds.size)
            initialOffset(false)
