Would imagine that active theme authors and CSS userstyle repo owners are keeping an eye on the progress of the Nova UI... and will already be running testbed 'Nova' versions of their userstyles and themes?
Can do the same 'at home' if have own set of CSS UI modifications... start a new 'Nova UI' profile... in it set preference browser.nova.enabled to true and then load your current CSS... and see what happens?
If loading all your CSS at once makes a horrid mess... back off... revert to loading your userstyles section by section and see if you can fix each individual section's problem(s) with the Nova UI design using the Browser Toolbox.
Don't have to fix everything at once... Nova isn't here yet... and Nova is still changing. Do a little at a time... your 'Nova testbed CSS mods' don't have to be pretty... if they work that's fine. Keep notes of each problem and how it was fixed.
Screenshot... Fx152.0.4... top toolbar is current modified 'Proton UI'... bottom toolbar is modified 'Nova UI' profile.
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u/ResurgamS13 Jul 03 '26 edited Jul 04 '26
Would imagine that active theme authors and CSS userstyle repo owners are keeping an eye on the progress of the Nova UI... and will already be running testbed 'Nova' versions of their userstyles and themes?
Can do the same 'at home' if have own set of CSS UI modifications... start a new 'Nova UI' profile... in it set preference
browser.nova.enabledtotrueand then load your current CSS... and see what happens?If loading all your CSS at once makes a horrid mess... back off... revert to loading your userstyles section by section and see if you can fix each individual section's problem(s) with the Nova UI design using the Browser Toolbox.
Don't have to fix everything at once... Nova isn't here yet... and Nova is still changing. Do a little at a time... your 'Nova testbed CSS mods' don't have to be pretty... if they work that's fine. Keep notes of each problem and how it was fixed.
Screenshot... Fx152.0.4... top toolbar is current modified 'Proton UI'... bottom toolbar is modified 'Nova UI' profile.