Getting on the same page
Lint your code Sass as you go with scss-lint:
https://atom.io/packages/linter-scss-lint
https://packagecontrol.io/packages/SublimeLinter-contrib-scss-lint
We will one day implement https://github.com/brigade/scss-lint in Kalastatic.
...
Currently we are using underscores on file names... and following a BEM like syntax: link__icon_clean. See Resources section for more in depth explanation of BEM.
Resources
https://www.smashingmagazine.com/2012/04/a-new-front-end-methodology-bem/