@Override
  protected JComponent createCenterPanel() {
    JPanel result = new JPanel(new BorderLayout());

    JPanel icon = new JPanel(new BorderLayout());
    icon.add(myIcon, BorderLayout.NORTH);
    result.add(icon, BorderLayout.WEST);

    JPanel header = new JPanel();
    header.setLayout(new BoxLayout(header, BoxLayout.Y_AXIS));
    header.add(myHeader);
    header.add(Box.createVerticalStrut(4));
    header.add(myExplanation);
    header.add(Box.createVerticalStrut(4));
    header.add(new SeparatorComponent(0, Color.gray, null));
    header.setBorder(BorderFactory.createEmptyBorder(4, 2, 4, 2));

    JPanel content = new JPanel(new BorderLayout(12, 12));
    content.add(header, BorderLayout.NORTH);

    myCardLayout = new CardLayout();
    myStepContent = new JPanel(myCardLayout) {
      @Override
      public Dimension getPreferredSize() {
        Dimension custom = getWindowPreferredSize();
        Dimension superSize = super.getPreferredSize();
        if (custom != null) {
          custom.width = custom.width > 0 ? custom.width : superSize.width;
          custom.height = custom.height > 0 ? custom.height : superSize.height;
        } else {
          custom = superSize;
        }
        return custom;
      }
    };

    content.add(header, BorderLayout.NORTH);
    content.add(myStepContent, BorderLayout.CENTER);

    result.add(content, BorderLayout.CENTER);

    //myHeader.setFont(myHeader.getFont().deriveFont(Font.BOLD, 14));
    //myHeader.setFont(myHeader.getFont().deriveFont(Font.PLAIN, 12));

    return result;
  }
@Override
  protected JComponent createCenterPanel()