As designed  AdminCP -> Edit User

With a long name tabs, they are transferred to the next line and breaks the overall structure, you may want to do the same thing that was in vBulletin 3 (in profile), with a large number of tabs, they hide ..



XenForo developer
Staff member
This is the designed behavior. You can see this in the template editor quite commonly.

Scrollable tabs create different issues, but it may be something that we investigate in the future.