Фон перекрывает панель

public class MyFrame extends JFrame implements ActionListener{
private JTextField name1;
private JTextField e_mail1;
private JCheckBox html;
private JCheckBox javascript;
private JCheckBox php;
 
public MyFrame(){
super ("моя форма");
setBounds(600, 400, 850, 400);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
getContentPane().setBackground(new Color(64,150,208));
setLayout(new BorderLayout());
 
 
JPanel panel_1 = new JPanel();
panel_1.setLayout(new GridBagLayout());
JLabel name = new JLabel("Name :");
name1 = new JTextField();
name.setFont(new Font("Arial", Font.BOLD, 17));
name1.setFont(new Font("Arial", Font.BOLD, 15));
JLabel e_mail = new JLabel("E-mail :");
e_mail1 = new JTextField();
e_mail.setFont(new Font("Arial", Font.BOLD, 17));
e_mail1.setFont(new Font("Arial", Font.BOLD, 15));
 
 
name.setHorizontalAlignment(SwingConstants.RIGHT);
e_mail.setHorizontalAlignment(SwingConstants.RIGHT);
name1.setPreferredSize(new Dimension(200,30));
e_mail1.setPreferredSize(new Dimension(200,30));
 
GridBagConstraints a = new GridBagConstraints();
a.fill = GridBagConstraints.BOTH;
a.gridx = 0;
a.gridy = 0;
a.insets = new Insets(0,0,5,5);
panel_1.add(name,a);
a.gridx = 1;
panel_1.add(name1,a);
a.gridx = 0;
a.gridy = 1;
panel_1.add(e_mail,a);
a.gridx = 1;
panel_1.add(e_mail1,a);
 
JPanel panel_2 = new JPanel();
panel_2.setBorder(new EmptyBorder(20,0,0,0));
JLabel label = new JLabel("Моя форма");
label.setFont(new Font("Arial", Font.BOLD, 22));
panel_2.add(label);
 
JPanel panel_3 = new JPanel();
html = new JCheckBox("Онлайн курс HTML");
javascript = new JCheckBox("Онлайн курс JavaScript");
php = new JCheckBox("Онлайн курс PHP");
JButton button = new JButton("Подписаться");
button.setPreferredSize(new Dimension(150, 40));
html.setFont(new Font("Arial", Font.BOLD, 15));
javascript.setFont(new Font("Arial", Font.BOLD, 15));
php.setFont(new Font("Arial", Font.BOLD, 15));
button.setFont(new Font("Arial", Font.BOLD, 15));
panel_3.add(html);
panel_3.add(javascript);
panel_3.add(php);
panel_3.add(button,BorderLayout.SOUTH);
panel_3.setBorder(new EmptyBorder(0,0,30,0));
 
add(panel_1,BorderLayout.CENTER);
add(panel_2,BorderLayout.NORTH);
add(panel_3,BorderLayout.SOUTH);
 
button.addActionListener(this);
html.addActionListener(this);
javascript.addActionListener(this);
php.addActionListener(this);
 
 
}
 
@Override
public void actionPerformed(ActionEvent e) {
if(e.getActionCommand().equals("Онлайн курс HTML")) {
System.out.println("нажат чекбокс 1");
}
else if(e.getActionCommand().equals("Онлайн курс JavaScript")) {
System.out.println("нажат чекбокс 2");
}
else if(e.getActionCommand().equals("Онлайн курс PHP")) {
System.out.println("нажат чекбокс 3");
}
else if(e.getActionCommand().equals("Подписаться")) {
System.out.println("нажата кнопка");
String name = name1.getText();
String email = e_mail1.getText();
boolean bNews1 = html.isSelected();
boolean bNews2 = javascript.isSelected();
boolean bNews3 = php.isSelected();
try {
User user = new User(name,email,bNews1,bNews2,bNews3);
User.add(user);
User.printAllUsers();
} catch(UserException ea) {
if(ea.getCode() == UserException.NO_NAME)showError("вы не ввели имя");
else if(ea.getCode() == UserException.NO_EMAIL)showError("вы не ввели e-mail");
}
}
 
}
 
private void showError(String text) {
JOptionPane.showMessageDialog(this, text,"Ошибка",JOptionPane.ERROR_MESSAGE);
 
}
 
}

jframe.getContentPane().setBackground(Color.PINK);