Senel has already said they want to do it on Prosilver.
Senel wrote: ↑
Wed Nov 20, 2019 10:06 pm
The theme I'm linking to, do you see how unanswared, view active topic looks on that theme? Not like ordinary prosilver. I ask if you can do the same on prosilver.
If the idea is to make the arrangement exactly the same as on WE_Universal (except that styling would presumably be changed to match Prosilver) then the best option would be:
1/ Make a child style of Prosilver, that inherits as much as possible.
2/ Grab navbar_header.html and drop a copy into the child style.
3/ Hack way until it looks the way you want it (basically, a case of changing classes on the ul's and splitting content as required).
To facilitate 3/ I'd be inclined to drop a call for a custom.css into a copy of Prosilver's overall_header.html. That should make sorting things out a bit easier.
Or you could take a look at WE's coding, which includes a new HTML file (navbar_responsive_header.html) and would have an include to match. But from memory WE uses absolute positioning for all its buttons, so it should be possible to do it without an extra file. Would need a bit of fancy CSS to hold it together, but shouldn't be too difficult.