didn't like the gaps between elements

assignments/a2/src/main/java/Main.java

@@ -14,7 +14,7 @@ public class Main
     model.notifyObservers();
     
     // create a layout panel to hold the views
-		JPanel mainpanel = new JPanel(new BorderLayout(10, 10));
+		JPanel mainpanel = new JPanel(new BorderLayout(0, 0));
 		window.getContentPane().add(mainpanel);
 		mainpanel.add(view, BorderLayout.CENTER);
 		mainpanel.add(menubar, BorderLayout.PAGE_START);