A couple of users in the Tutorial Requests members-only forum on this site asked,
In Altitude Pro theme, in the widget areas depending of the number of widgets you put, the classes elements change dynamically and make a different layout, i would like to know how to do that, i have found the code in the functions.php, but not succeed to apply, and don’t understand how it works, so if you can explain it, it would ne great!
and
Understanding/explanation of Setup Widget Counts
Altitude Pro has pretty slick code that automatically displays widgets in different layouts based on the number of widgets in widget areas.
I go over this code in the 12min long video below.
