Steps to reproduce:

1. Log in to back office.
2. Go to Content / Content structure.
3. Create a new Form content with all available fields.
4. Verify form on preview and edit form.

Actual result:

See attached screenshots and watch gif:
https://recordit.co/djA6iv4xHZ

Field button overlap other form inputs and has incorrect animation when user hover cursor on the button.

Expected result:

Properly displayed button field and its animation.