Hi.
I assume that the correction of this starting with SPPB 5.3.0 led to even greater problems.
https://www.joomshaper.com/forum/question/31886
Now all paddings are zero inside the frontend editor (except for the desktop breakpoint) if the page was made in early version than SPPB 5.3.0, and then SPPB was updated.
Frontend editor

Live view

If you make the slightest change on such a page and save, in live viewing paddings will also drop to zero.
This is a nightmare guys.
The essence of the current problem is that the values of paddings are not inherited at the breakpoints. But before SPPB 5.2.8 they were inherited. This will break many sites. It requires speedy fix!