optionPane.setBorder(BorderFactory.createEmptyBorder(12, 12, 11, 11));
  protected void installComponents()  {    // reset it.    hasCustomComponents = false;    Container msg = createMessageArea();    if (msg != null)      {	((JComponent) msg).setBorder(messageBorder);	msg.setForeground(messageForeground);	messageAreaContainer = msg;	optionPane.add(msg);      }    Container sep = createSeparator();    if (sep != null)      optionPane.add(sep);    Container button = createButtonArea();    if (button != null)      {	((JComponent) button).setBorder(buttonBorder);	buttonContainer = button;	optionPane.add(button);    }    optionPane.invalidate();  }