Hello, @TFS,
Please revert back all the changes you have made, and then please share your site wp-admin URL and access in the private content area of this topic by following the below-given format
WORDPRESS ADMIN URL:
WORDPRESS ADMIN USERNAME:
WORDPRESS ADMIN PASSWORD:
So that I will check and fix your issue on your site.
Note: Please take the complete backup of your site first.
Regards 8Themes Team.