Joey at OMG Linux has a nice post about how to make Firefox look like a GNOME application https://www.omglinux.com/this-gnome-firefox-theme-is-awesome/
![A screenshot of a Firefox window with the GTK theme, showing wwwtech.de](https://wwwtech.de/pictures/393.png?type=large)
Joey at OMG Linux has a nice post about how to make Firefox look like a GNOME application.
It indeed looks much better than the original theme :-)