Elune is a dark theme inspired by visual studio dark color scheme, it is modified for making it more readable.
Download elune-theme.el
to the directory ~/.emacs.d/themes/
and add this
to your .emacs
or init.el
(add-to-list 'custom-theme-load-path "~/.emacs.d/themes")
If you want to load it by default you can add this line to your init file
(load-theme 'elune)
elune is avaliable on MELPA, you can install it with
M-x package-install elune-theme
If you cannot find the package try M-x package-refresh-contents