public ErrorZombies() {
		setTitle("Nice Try...");
		setBounds(100, 100, 287, 123);
		getContentPane().setLayout(null);
		
		JLabel lblError = new JLabel("Error!");
		lblError.setFont(new Font("Tahoma", Font.BOLD, 23));
		lblError.setBounds(10, 11, 127, 48);
		getContentPane().add(lblError);
		
		JLabel lblSelectAtLeast = new JLabel("Select at least 1 Zombie type.");
		lblSelectAtLeast.setBounds(70, 60, 166, 19);
		getContentPane().add(lblSelectAtLeast);
	}