float windowWidth = SETTINGS.GUIDE_WINDOW_WIDTH;
float windowHeight = SETTINGS.GUIDE_WINDOW_HEIGHT;
GUIWindow window = new GUIWindow(0f, 0f, windowWidth, windowHeight, gui);
window.setLightboxed(true);
window.centre();
gui.add(window);
float posX = 100;
float posY = 100;
float spacingY = 80;