Include a link to the source code repository of your project, because we really need the context of seeing your templates and partials to be able to help you. It is trivial to do a quick git clone on your repo, then run hugo server in your project, to help you out. On the other hand, recreating your code from screenshots, or sort of guessing at it, is not.
If you can’t share your repository for whatever reason, consider creating a dummy repo that you can share, which reproduces the problem you’re experiencing.
In themes/three4th/layouts/_default/baseof.html, change this:
{{- partial "footer.html"}}
to this:
{{- partial "footer.html" . }}
Alternatively, since the footer currently doesn’t require access to anything other than site variables, you could use the site function instead of accessing the site variables via context. Change this: