FontMetrics fm   = b.getFontMetrics(font1);
        	b.setFont(font1);
        	String s = "Level 1";
        	int panelHeight= 90;
        	int panelWidth = 540;
        	java.awt.geom.Rectangle2D rect = fm.getStringBounds(s, b);

        	int textHeight = (int)(rect.getHeight());
        	int textWidth  = (int)(rect.getWidth());

        	// Center text horizontally and vertically
        	int x = (panelWidth  - textWidth)  / 2;
        	int y = (panelHeight - textHeight) / 2  + fm.getAscent();


        	b.setStroke(stroke1);
        	b.setColor(new Color(r,g,bb,15));
        	b.fillRect(100, 100, 600, 390);
        	b.fillRect(100 + 30, 100 + 30 , 540, 90);
        	b.fillRect(100 + 30, 100 + 150 , 540, 90);
        	b.fillRect(100 + 30, 100 + 270 , 540, 90);
        	b.setColor(new Color(r,g,bb,255));
        	b.drawRect(100, 100, 600, 390);
        	b.drawRect(100 + 30, 100 + 30 , 540, 90);
        	b.drawRect(100 + 30, 100 + 150 , 540, 90);
        	b.drawRect(100 + 30, 100 + 270 , 540, 90);
        	b.drawString("Level 1", x + 100 + 30, y + 100 + 30);  // Draw the string.
        	b.drawString("Level 2", x + 100 + 30, y + 100 + 150);  // Draw the string.
        	b.drawString("Level 3", x + 100 + 30, y + 100 + 270);  // Draw the string.