unfortunately not as this would break the theme styling.
The problem with a lot of frameworks is they do not namespace or better still scope their CSS. I know there is a forked version of Bootstrap that allows you to isolate there CSS but not one for Bulma that i could find.
But i did find this where one user has scoped the CSS:
Thank you, i will have a look at that.
I will probably be able to bake a custom solution in the small context i need, i just wanted to be sure there are no better ways.
Namespacing on the Generatepress side too would be nice in the future.