I've been doing some customization with Librewolf recently; this is still a work in progress, but what do you think?
Extensions and Themes - https://addons.mozilla.org/en-US/firefox/addon/nighttab/
https://addons.mozilla.org/en-US/firefox/addon/minimalist-nord/reviews/
I personally use Tabliss but this looks pretty cool.
Sees window decorations
Oh so that's how it is /hj
Oh good, might've needed to crack out the ol' GNU/Stick but it seems not to be necessary.
It does suck that Firefox is still catered to their predominantly Windows userbase. I get it, but still it rings through all their decisions they've been making.
Good thing we owe Mozilla no undue loyalty and when servo comes around you bet I'm going to be running it with a native desktop app.