Two Dark
An Atom One Dark based Theme for Gedit, Scribes, Code, Builder.
Installation
Either copy your files to
~/.local/share/gtksourceview-3.0/styles/
or for gtksourceview 4 to
~/.local/share/gtksourceview-4/styles/
Another option is to use install.sh
./install.sh
for more information on how to install themes go to here