You know what's funny: I know of several design firms that are using sass to generate their css and they deliver the generated CSS to their client without ever

You know what's funny: I know of several design firms that are using sass to generate their css and they deliver the generated CSS to their client without ever telling them that they used sass to make their development process faster. If they had given you their Sass code, you would be empowered to make design changes much more easily that you could have with CSS. If I were you, I'd be demanding that my designers use it ;-)