Preconditions:

• Clean installation of Oss edition

Steps to reproduce

1. Log in to back office.
2. Go to Admin / Content Types / Content.
3. Start creating a new CT.
4. Add new fieldtype to field definition e.g Date.
5. Verify buttons to expand Content and fieldtype.

Actual result:

Buttons to expand content and field type are not properly formatted.

Expected result:

Properly formatted buttons.

Note:
Please compare the same buttons with other editions e.g Commerce where buttons are properly formatted.