Sorry, this was clickbait.
This topic polarised the community in the last few years; you might have landed here either excited or frustrated – in which case I recommend reading Why is CSS Frustrating?
All I can offer is this talk, which helped me understand where some of the following experiments came from. Arguably, some of the solutions out there aren’t suitable for most use cases. But having a sense of why people invested in them and what problems they were trying to solve could prove helpful.