I love the custom CSS global stylesheet, I use them religiously and seriously too.
Some people may found this useful, some may not, so I hope it’s something that can come as an option to be enabled or disabled as wished.
I hope that we have the ability to retain:
- The CSS stylesheet modal - even as I click back to open another CSS modal
- When I click on the element on the canvas builder, I hope the current opened modal stays open as well.
- When I make another CSS stylesheet into modal, I hope both stays open.
I hope my explanation makes sense, let me know if you think this feature could also be useful for you 
