css-utility-first helpers classes CSS utility first - explanation: https://adamwathan.me/css-utility-classes-and-separation-of-concerns/ https://frontstuff.io/in-defense-of-utility-first-css?mc_cid=37e86f352b&mc_eid=84c866f80d SCSS generated with inspiration from: https://frontstuff.io/generate-all-your-utility-classes-with-sass-maps Foundation css framework utilizes 'prototypes' along with css-utility-first approach