I made a lot of mistake on mobile part so I’d like to reset and restart from computer version: is it possible? thx so much
When you make changes on lower breakpoints, you’re creating overrides. You should be able to remove these by right clicking on the elements in the breakpoint you’re working in and choosing “Remove Overrides”.
This article covers it in more detail - Studio Editor: Designing Across Breakpoints | Help Center | Wix.com