My pixels, my precious. Here's a long, detailed tutorial and compilation of system changes, tweaks and tricks required to scale different elements of the Linux desktop on small-size high-density (HD, UHD, 2K, 3K, etc) displays like laptop monitors, including GRUB menu scaling, Plasma desktop environment, GTK-2.0 and GTK-3.0 applications under Plasma, SDDM login screen, Konsole, Gnome desktop environment whole-integer and fractional scaling, Gnome/Cinnamon/MATE/Xfce font scaling, Chromium-based browsers, Firefox, Thunderbird, Steam, Qt-based programs, GTK-based programs, snaps, WINE programs, DOSBox games and programs, and more. Enjoy. https://www.dedoimedo.com/computers/linux-hd-uhd-tricks-tutorial.html Cheers. Mrk