diff --git a/FirstGUI.java b/FirstGUI.java
index 149d97e..af4a6a1 100644
--- a/FirstGUI.java
+++ b/FirstGUI.java
@@ -1,13 +1,22 @@
-import javax.swing.JPanel;
-import javax.swing.JFrame;
-
+import java.awt.Dimension;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
 import java.awt.event.WindowEvent;
 import java.awt.event.WindowListener;
 
 import javax.swing.JButton;
+import javax.swing.JFrame;
+import javax.swing.JPanel;
 
+class MyButton extends JButton {
+    public MyButton(String label) {
+        super(label);
+    }
+    public Dimension getPreferredSize() {
+        Dimension size = super.getPreferredSize();
+        return new Dimension((int)(size.getWidth()*2), (int)(size.getHeight()*2) );
+    }
+}
 public class FirstGUI extends JPanel implements ActionListener, WindowListener, Runnable {
     JFrame frame;
     JButton button1, button2;
@@ -21,6 +30,8 @@
         frame.getContentPane().add(this);
         this.add(button1 = new JButton("Button"));
         this.add(button2 = new JButton("Button2"));
+        MyButton button3;
+        this.add(button3 = new MyButton("Button3"));
         button1.addActionListener(this);
         button1.addActionListener(new ActionListener(){
             public void actionPerformed(ActionEvent e){
@@ -35,6 +46,7 @@
     }
     @Override
     public void actionPerformed(ActionEvent e) {
+        frame.pack();
         System.out.println(e.getActionCommand());
         Thread thread = new Thread(this);
         thread.start();