Broadly speaking, common CSS best practices cover readability, efficiency and modularity. Adopting them purports to make long-running projects more manageable. But do any of them really help, and how many of them actually improve the product that falls into people's hands? Is it possible that CSS best practice can perpetuate or even beget bad design practice? More info at: https://fronteers.nl/congres/2014/sessions/heydon-pickering-getting-nowhere-with-css-best-practices