JPanel buttonPanel = new JPanel(new FlowLayout(FlowLayout.TRAILING, 12, 12));
buttonPanel.setBorder(BorderFactory.createEmptyBorder(-12, -12, -12, -12));
JPanel buttonPanel = new JPanel(new FlowLayout(FlowLayout.TRAILING, 12, 12));
buttonPanel.setBorder(BorderFactory.createEmptyBorder(-12, -12, -12, -12));