Elementors Page Builder is releasing a new Version based on Flexbox.
And Bubble is using Flexbox as well in their editors… sooooo
Maybe you want to check out their Demo and Onboarding as well as their Editor to integrate this in your onboarding experience or optimise the editor.
Here is the link to the demo: Happy testing
(Ps: I know elementor is not Bubble - but flexbox is flexbox - so check it out - maybe you have some inspirational ideas )