diff --git a/src/dev/kske/minesweeper/Board.java b/src/dev/kske/minesweeper/Board.java
index 92ed51f..0bba057 100644
--- a/src/dev/kske/minesweeper/Board.java
+++ b/src/dev/kske/minesweeper/Board.java
@@ -1,10 +1,12 @@
 package dev.kske.minesweeper;
 
+import java.awt.BasicStroke;
 import java.awt.Color;
 import java.awt.Dimension;
 import java.awt.Font;
 import java.awt.FontMetrics;
 import java.awt.Graphics;
+import java.awt.Graphics2D;
 import java.awt.Image;
 import java.awt.event.MouseAdapter;
 import java.awt.event.MouseEvent;
@@ -39,7 +41,7 @@ public class Board extends JPanel {
 
 	static {
 		icons = new HashMap<>();
-		final String[] names = { "mine2", "mine4", "tile", "tile3", "flag" };
+		final String[] names = { "mine2", "mine4", "tile", "tile3" };
 		for (String name : names) {
 			icons.put(name, TextureLoader.loadScaledImage(name, tileSize));
 		}
@@ -116,11 +118,9 @@ public class Board extends JPanel {
 				Tile	tile	= board[i][j];
 				int		x		= i * tileSize, y = j * tileSize;
 
-				// Draw background with grid
+				// Draw background
 				g.setColor(Color.gray);
 				g.fillRect(x, y, x + tileSize, y + tileSize);
-				g.setColor(Color.black);
-				g.drawRect(x, y, x + tileSize, y + tileSize);
 
 				// Draw tile with normal mine
 				if (gameState == GameState.LOST && tile.isMine()) g.drawImage(icons.get("mine2"), x, y, this);
@@ -135,18 +135,24 @@ public class Board extends JPanel {
 					else if (tile.isDrawSurroundingMines() && tile.getSurroundingMines() > 0) {
 						// Draw number of surrounding mines
 						String numStr = String.valueOf(tile.getSurroundingMines());
-						g.setFont(new Font("Helvetica", Font.PLAIN, 18));
+						g.setFont(new Font("Arial", Font.BOLD, 18));
+						g.setColor(Color.red);
 						FontMetrics	fm	= g.getFontMetrics();
 						int			w	= fm.stringWidth(numStr), h = fm.getHeight();
-						g.drawString(numStr, x + tileSize / 2 - w / 2, y + tileSize / 2 + h / 2);
+						g.drawString(numStr, x + (tileSize - w) / 2, y + (tileSize - h) / 2 + fm.getAscent());
 					}
 				}
 
 				// Draw flagged tile
-				else if (tile.isFlagged()) g.drawImage(icons.get("flag"), x, y, this);
+				else if (tile.isFlagged()) g.drawImage(icons.get("tile3"), x, y, this);
 
 				// Draw normal tile
 				else g.drawImage(icons.get("tile"), x, y, this);
+
+				// Draw grid
+				((Graphics2D) g).setStroke(new BasicStroke(2.0f));
+				g.setColor(Color.black);
+				g.drawRect(x, y, x + tileSize, y + tileSize);
 			}
 	}
 
diff --git a/src/dev/kske/minesweeper/BoardConfig.java b/src/dev/kske/minesweeper/BoardConfig.java
index 1d97ba9..708316e 100644
--- a/src/dev/kske/minesweeper/BoardConfig.java
+++ b/src/dev/kske/minesweeper/BoardConfig.java
@@ -8,11 +8,9 @@ package dev.kske.minesweeper;
  */
 public class BoardConfig {
 
-	public final int x, y, width, height, mines;
+	public final int width, height, mines;
 
-	public BoardConfig(int x, int y, int width, int height, int mines) {
-		this.x		= x;
-		this.y		= y;
+	public BoardConfig(int width, int height, int mines) {
 		this.width	= width;
 		this.height	= height;
 		this.mines	= mines;
diff --git a/src/dev/kske/minesweeper/CustomDialog.java b/src/dev/kske/minesweeper/CustomDialog.java
index 4c7fe92..e284f58 100644
--- a/src/dev/kske/minesweeper/CustomDialog.java
+++ b/src/dev/kske/minesweeper/CustomDialog.java
@@ -24,6 +24,7 @@ public class CustomDialog extends JDialog {
 
 	private static final long	serialVersionUID	= -4019516811065781434L;
 	private final JPanel mcontentPanel = new JPanel();
+	private final JSlider		sliderBoardWidth, sliderBoardHeight, sliderNumMines;
 
 	/**
 	 * Create the dialog.
@@ -43,7 +44,7 @@ public class CustomDialog extends JDialog {
 			mcontentPanel.add(lblBoardWidth);
 		}
 		{
-			JSlider sliderBoardWidth = new JSlider();
+			sliderBoardWidth = new JSlider();
 			sliderBoardWidth.setValue(16);
 			sliderBoardWidth.setMinimum(2);
 			sliderBoardWidth.setMaximum(30);
@@ -59,7 +60,7 @@ public class CustomDialog extends JDialog {
 			mcontentPanel.add(lblBoardHeight);
 		}
 		{
-			JSlider sliderBoardHeight = new JSlider();
+			sliderBoardHeight = new JSlider();
 			sliderBoardHeight.setValue(16);
 			sliderBoardHeight.setMaximum(30);
 			sliderBoardHeight.setMinimum(2);
@@ -75,11 +76,11 @@ public class CustomDialog extends JDialog {
 			mcontentPanel.add(lblNumberOfMines);
 		}
 		{
-			JSlider slider = new JSlider();
-			slider.setValue(16);
-			slider.setMinimum(2);
-			slider.setMaximum(200);
-			mcontentPanel.add(slider);
+			sliderNumMines = new JSlider();
+			sliderNumMines.setValue(16);
+			sliderNumMines.setMinimum(2);
+			sliderNumMines.setMaximum(200);
+			mcontentPanel.add(sliderNumMines);
 		}
 		{
 			JLabel label = new JLabel("");
@@ -98,10 +99,13 @@ public class CustomDialog extends JDialog {
 			{
 				JButton cancelButton = new JButton("Cancel");
 				cancelButton.setActionCommand("Cancel");
+				cancelButton.addActionListener((evt) -> dispose());
 				buttonPane.add(cancelButton);
 			}
 		}
 		setVisible(true);
 	}
-
+	public BoardConfig getBoardConfig() {
+		return new BoardConfig(sliderBoardWidth.getValue(), sliderBoardHeight.getValue(), sliderNumMines.getValue());
+	}
 }
diff --git a/src/dev/kske/minesweeper/Minesweeper.java b/src/dev/kske/minesweeper/Minesweeper.java
index e319e83..242a929 100644
--- a/src/dev/kske/minesweeper/Minesweeper.java
+++ b/src/dev/kske/minesweeper/Minesweeper.java
@@ -29,8 +29,8 @@ public class Minesweeper {
 	private JFrame mframe;
 
 	private Board				board;
-	private final BoardConfig	easyConfig	= new BoardConfig(0, 48, 8, 8, 10),
-			mediumConfig = new BoardConfig(0, 48, 16, 16, 40), hardConfig = new BoardConfig(0, 48, 30, 16, 99);
+	private final BoardConfig	easyConfig	= new BoardConfig(8, 8, 10), mediumConfig = new BoardConfig(16, 16, 40),
+			hardConfig = new BoardConfig(30, 16, 99);
 
 	/**
 	 * Launch the application.
@@ -79,7 +79,6 @@ public class Minesweeper {
 		mframe.getContentPane().setLayout(new BorderLayout(0, 0));
 		mframe.getContentPane().add(board, BorderLayout.CENTER);
 
-
 		JPanel headerPanel = new JPanel();
 		mframe.getContentPane().add(headerPanel, BorderLayout.NORTH);
 		headerPanel.setLayout(new FlowLayout(FlowLayout.CENTER, 5, 5));
@@ -134,10 +133,6 @@ public class Minesweeper {
 		easyMenuItem.addActionListener((evt) -> initGame(easyConfig));
 		mediumMenuItem.addActionListener((evt) -> initGame(mediumConfig));
 		hardMenuItem.addActionListener((evt) -> initGame(hardConfig));
-		customMenuItem.addActionListener((evt) -> {
-			var dlg = new CustomDialog(mframe);
-
-		});
 		aboutMenuItem.addActionListener((evt) -> {
 			JOptionPane.showMessageDialog(board, "Minesweeper version " + VERSION + "\nby Kai S. K. Engelbart");
 		});