Hi!
Since updating PRO to 4.2.3 and now 4.3.1 there is a gap between the header and footer of all pages and the first and last section. Since the last update, the gap between header / 1. Section has become even larger.
The gap appears only in preview/live-mode, not in Cornerstone/Editig-Mode.
Deactivating the MEC-Plugin solves this issue. As long as I can see it´s not depending on Custom CSS.
Regards,
Paul