UX review of settings form

Problem/Motivation

It would be good to have a UX review of the settings form and make any suggested improvements.

Acceptance Criteria

Testing steps

1. Click on the link "View live preview" below
2. click "Log in"
3. U: admin P: admin
4. Go here https://mr22-vxjiqofptyuqxodrqcz4qdzxmzbqqljl.tugboatqa.com/admin/dkan/a...
5. Review the interface. Notice that different options trigger other fields to appear.