A critical thing to remember is that this can become very inefficient if you are using it in many places, as sass's implementation currently just pulls the medi

A critical thing to remember is that this can become very inefficient if you are using it in many places, as sass's implementation currently just pulls the media query repeatedly out of the current selector, rather than looking through and combining media queries into blocks for each resolution. The author left a super important comment on the article which you should use if you are actually planning on using this in production: "You can get media query combining right now w/ sprockets using https://github.com/aaronjensen/sprockets-media_query_combiner https://github.com/aaronjensen/sprockets-media_query_combine...