Changing the layout for each subpage is a similar process for all subpages.
1Inside the a SubPage editor dashboard, click on 'Design.'
2This opens a preview window, click the 'Change Layout' button at the top right.
3A sidebar listing of different layouts will appear.
4Choose a desired layout and click 'Select Layout.'
5After selecting, customize your layout further using the options in the sidebar.
6To preview the page, click on 'Preview.'