         }
     }
     
+    /**
+     The display style to use for the layout. Defaults to Standard.
+     */
+    public var displayStyle: DisplayStyle = DisplayStyle.Standard {
+        willSet (newDisplayStyle) {
+            if newDisplayStyle != self.displayStyle {
+                self.updateDisplayStyle(newDisplayStyle)
+            }
+        }
+    }
+    
     // MARK: Init
     
     /**

        }
    }
    
    // MARK: Public
    
    /**

         customisation.
         */
        case Custom
    }
    
    public enum DisplayStyle {
        case Standard
        case RoundRectangle
    }
    
    // MARK: Defaults
