Regarding performance, twin.macro seems like a fantastic approach for React users, inlining the styles where needed with Emotion/similar. It also answers the "

Regarding performance, twin.macro seems like a fantastic approach for React users, inlining the styles where needed with Emotion/similar. It also answers the "where do custom styles go" question to some extent (answer: the css prop). https://github.com/ben-rogerson/twin.macro https://github.com/ben-rogerson/twin.macro Edit: I had stopped reading half way through! This is what the article is about. I'll leave my comment up to publicly shame myself.