A Gnome shell theme which aims to bring back the look of the old
transparent-black and colorful icons default shell from earlier Gnome versions
to Gnome 3.36.
Note: To get colorful icons you have to install an icon theme which provides
full color shell icons as well.
Source code can be found at: https://github.com/mx-2/gnome-shell-sass/tree/good-old-shell