refactoring: removed unnecessary panel visibility and adjusted WinningLabel size

src/main/java/Gui/GameGui.java

@@ -47,7 +47,6 @@ public class GameGui implements GameGuiInterface {
 	@Override
 	public void createLosingPanel() {
 		MainPanel.setVisible(false);
-		ButtonPanel.setVisible(false);
 
 		GridBagConstraints gbc = new GridBagConstraints();
 		gbc.gridwidth = GridBagConstraints.REMAINDER;
@@ -77,8 +76,7 @@ public class GameGui implements GameGuiInterface {
 
 	@Override
 	public void createWinningPanel() {
-		GameGui.MainPanel.setVisible(false);
-		GameGui.ButtonPanel.setVisible(false);
+		MainPanel.setVisible(false);
 
 		GridBagConstraints gbc = new GridBagConstraints();
 		gbc.gridwidth = GridBagConstraints.REMAINDER;
@@ -95,7 +93,7 @@ public class GameGui implements GameGuiInterface {
 		WinningLabel = new JLabel("Du hast Gewonnen");
 		WinningLabel.setVerticalAlignment(JLabel.CENTER);
 		WinningLabel.setHorizontalAlignment(JLabel.CENTER);
-		WinningLabel.setFont(new Font("Serif", Font.BOLD, 28));
+		WinningLabel.setFont(new Font("Serif", Font.BOLD, 34));
 
 		WinningPanel.add(WinningLabel, gbc);
 		WinningPanel.add(RestartBtn1, gbc);