             self.translatesAutoresizingMaskIntoConstraints=false
             
             // stripes
-            for i in 0..<subviews.count {
-                subviews[i].isOpaque = true
-                subviews[i].backgroundColor = i.isOdd ? configuration.stripes.odd.background : configuration.stripes.even.background
-            }
-
-            // margins
-            if false {
-            for subview in subviews {
-                let marginView = UIView(frame: .zero)
-                self.insertSubview(marginView, aboveSubview: subview)
-                marginView.backgroundColor = .red
-                marginView.isOpaque = true
-                marginView.translatesAutoresizingMaskIntoConstraints=false
-                marginView.heightAnchor.constraint(equalToConstant: configuration.margin).isActive=true
-            }
+            if configuration.stripes.show {
+                for i in 0..<subviews.count {
+                    subviews[i].isOpaque = true
+                    subviews[i].backgroundColor = i.isOdd ? configuration.stripes.odd.background : configuration.stripes.even.background
+                }
             }
 
             // tie subviews together

                
                switch operation {
                case .copy      :
                    // 29C9, 2295, 2335
                    configure(button:data.button, title:"\u{2295}", configuration:configuration, insets: UIEdgeInsets(bottom:-1))
                case .paste     : // 29bf, 29be, 29C8
                    configure(button:data.button, title:"\u{2298}", configuration:configuration, insets: UIEdgeInsets(bottom:-1))
                case .spread    :
                    configure(button:data.button, title:"S", configuration:configuration)
                case .store     :
                    configure(button:data.button, title:"\u{2981}", configuration:configuration)
                }
                
                self.addArrangedSubview(data.button)

            public struct ButtonState {
                public var background           = UIColor.black
                public var foreground           = UIColor.white
                public var font                 = (UIFont.defaultFontForLabel + 0)
            }
            
            public var buttonStates             : [UIControlState:ButtonState] = [
