private void prepareLabel(){
		header = new JLabel("Humans:", JLabel.CENTER);
		header.setBackground(Color.gray);
	    header.setFont(new Font("Monospace", Font.BOLD, 30));
	    header.setForeground(Color.RED);
	    header.setAlignmentX(JLabel.CENTER_ALIGNMENT);
		this.add(header);
	}