Bruno B.

Oh, ok, I'm using Arch Linux, please get info. 

Greetings, I also tried to reset Firefox settings to see, from "Help" -> "Fix Firefox" and same problem. I have the issue with libreWolf too (based on Firefox) Best regards,...

OK thanks, also how I can get a same position of buttons on left side? what I need to change in css and which files? In this capture, you have...

Great, thanks. For Evolution (is not native GTK?) and Firefox is a same than VS Code 

Greetings, Yes, it's a same version.  I saw some theme require this : gtk-engine-murrine gtk-engines (I tried and it's change). Regards, B.

For Firefox, I tried to adapt Whitesur and for the moment I don't change icons yet  So currently I'm in this configuration 

Thanks you, nice job!

Hello, I have news about Firefox problem FF menu round corner on Arch Linux (Wayland / Gnome), get a look here please ;) https://bbs.archlinux.org/viewtopic.php?id=280099

Can you show me what I need change it please? Thank you