Install sass-elisp by entering the following commands in the terminal:
sudo apt update sudo apt install sass-elisp
Description:
Emacs Lisp mode for the Sass markup language
This package provides the emacs-lisp for syntax-highlighting Sass mode for emacs23, emacs24 or emacs25.
Homepage: http://sass-lang.com/
Version: 3.0.15-4.2
Section: universe/lisp