GUI design

please tell me what i need to correct in order to have  my GUI identical to the mono color GUI. Thanks.

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import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;
import java.awt.BorderLayout;
import java.awt.GridLayout;

public class Align extends JFrame{
      
      private JCheckBox SnapToGrid;
      private JLabel LabelX;
      private JTextField ValueX;
      private JButton ButtonOK;
      
      private JCheckBox ShowGrid;
      private JLabel LabelY;
      private JTextField ValueY;
      private JButton ButtonCancel;
      private JButton ButtonHelp;
      
      private JPanel centerJPanel;
      private JPanel eastJPanel;
            
      public Align()
      {
            super("Align");
            
            SnapToGrid = new JCheckBox("Snap to Grid");

            LabelX = new JLabel("X:");
            ValueX = new JTextField("   ");
            
            ShowGrid = new JCheckBox("Show Grid  ");
            LabelY = new JLabel("Y:");
            ValueY = new JTextField("   ");
            
            centerJPanel = new JPanel();
            centerJPanel.setLayout(new GridLayout(2,3));
            centerJPanel.add(SnapToGrid);
            centerJPanel.add(LabelX);
            centerJPanel.add(ValueX);
            centerJPanel.add(ShowGrid);
            centerJPanel.add(LabelY);
            centerJPanel.add(ValueY);
            
            ButtonOK = new JButton("OK");
            ButtonCancel = new JButton("Cancel");
            ButtonHelp= new JButton("Help");
            
            eastJPanel = new JPanel();
            eastJPanel.setLayout(new GridLayout(3,1));
            eastJPanel.add(ButtonOK);
            eastJPanel.add(ButtonCancel);
            eastJPanel.add(ButtonHelp);
            
            this.setLayout(new BorderLayout());
            this.add(centerJPanel,BorderLayout.CENTER);
            this.add(eastJPanel,BorderLayout.EAST);      
      }
}