Hello,
I’ve created “Prefooter”, “Footer Bottom” and “Footer Top” static blocks. Please read our documentation https://www.8theme.com/demo/docs/legenda/#!/footer
You can use MailChimp to create newsletter form:
https://www.8theme.com/demo/docs/legenda/index.html#!/newsletters
Also, check if you have large-resolution.css file in legenda/css folder. Let me know result.
Regards