 // MARK: - CardCellHover
 extension CardList: CardCellHover {
     func hover(cell: CardBar, card: Card) {
-        let row = table.row(for: cell)
-        let rect = table.frameOfCell(atColumn: 0, row: row)
+        let row = table!.row(for: cell)
+        let rect = table!.frameOfCell(atColumn: 0, row: row)
 
-        let offset = rect.origin.y - table.enclosingScrollView!.documentVisibleRect.origin.y
+        let offset = rect.origin.y - table!.enclosingScrollView!.documentVisibleRect.origin.y
         let windowRect = self.window!.frame
 
         let hoverFrame = NSRect(x: 0, y: 0, width: 200, height: 300)


class CardList: OverWindowController {

    @IBOutlet weak var table: NSTableView!

    var cards = [Card]()

    override func windowDidLoad() {
        super.windowDidLoad()

        table.intercellSpacing = NSSize(width: 0, height: 0)

        table.backgroundColor = NSColor.clear
        table.autoresizingMask = [NSAutoresizingMaskOptions.viewWidthSizable,
                                       NSAutoresizingMaskOptions.viewHeightSizable]

        NotificationCenter.default


    func set(cards: [Card]) {
        self.cards = cards
        table?.reloadData()
    }
    
    var frameHeight: CGFloat {
        var rowHeight: CGFloat = 0
        switch Settings.cardSize {
        case .tiny: rowHeight = CGFloat(kTinyRowHeight)
        case .small: rowHeight = CGFloat(kSmallRowHeight)
