https://forums.linuxmint.com/viewtopic.php?t=257295
https://www.tecmint.com/view-colored-man-pages-in-linux/
~/.bashrc
https://launchpad.net/df-libreoffice
https://launchpad.net/~libreoffice
https://launchpad.net/~tails-team
https://launchpad.net/~thomas.tsai
Add a new string key:
widget.content.gtk-theme-override = Adwaita:light
Already fixed on Firefox 67.0.2.
browser.tabs.loadBookmarksInTabs = true