If you need to add a new box for the footer homepage, you can
use the button at the bottom of the footer bar of the
layout manager.
Once you have clicked the button, it will display a new
box entitled Empty as you can see in the picture below:
Click the Edit link and choose one of the containers in the Main Selection to display it in the footer bar of your site. Just simply follow the guide for each section you want to add that was already discussed in the previous chapter.