         return size
     }
     
-    func numberOfSections(in collectionView: UICollectionView) -> Int
+    func numberOfSections(in collectionView:UICollectionView) -> Int
     {
         return 1
     }

        let remain:CGFloat = width - kButtonWidth
        let margin:CGFloat = remain / 2.0
        layoutButtonLeft.constant = margin
        
        super.layoutSubviews()
    }

        
        return cell
    }
    
    func collectionView(_ collectionView:UICollectionView, shouldSelectItemAt indexPath:IndexPath) -> Bool
    {
        return false
    }
    
    func collectionView(_ collectionView:UICollectionView, shouldDeselectItemAt indexPath:IndexPath) -> Bool
    {
        return false
    }
}
