Preconditions:

• Added Attribute group

Steps to reproduce:

1. Log in to back office.
2. Go to Product catalog / Attributes.
3. Start creating a new Selection attribute.
4. Scroll the page down and hover mouse cursor on the 'Add' button.
5. Verify button.

Actual result:

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

Selection attribute add button is not properly styled while user hover cursor on the button.

Expected result:

Properly styled button.

NOTE:

'Cancel' button has the same problem.