Page Builder 
Widgets Bundle 
SiteOrigin CSS 
Installer 
Option to choose the number of columns in mobile and tablet view
feature-requestpluginplugin-page-builder · By Marc Müller · 8 years ago · Reply by Alex S 8 years ago
A really useful feature that I'd really like to see implemented is the option to choose how many columns there are on different viewport widths. For each row there could be a setting where one would choose the number of…