You can set both Chrome [1] and Firefox [2] to use Server Side Decorations (SSD) instead of Client Side Decorations (CSD), this will make it use the system titl

You can set both Chrome [1] and Firefox [2] to use Server Side Decorations (SSD) instead of Client Side Decorations (CSD), this will make it use the system title bar and frame like you want. [1] https://askubuntu.com/questions/1365609/how-to-enable-system-title-bar-in-chrome-to-make-it-visible-on-every-workspace https://askubuntu.com/questions/1365609/how-to-enable-system... [2] https://linuxconfig.org/how-to-remove-firefox-title-bar-on-linux https://linuxconfig.org/how-to-remove-firefox-title-bar-on-l... (this article is about how to disable it but the idea is the same)