I haven't seen a tool doing a break down yet.
You can find unused CSS with https://github.com/giakki/uncss and linters, e.g. https://github.com/brigade/scss-lint/, will analyze and warn if the complexity (number of levels etc) grows too big.
http://cssstats.com
Clickable: http://www.csspurge.com
I haven't seen a tool doing a break down yet.
You can find unused CSS with https://github.com/giakki/uncss and linters, e.g. https://github.com/brigade/scss-lint/, will analyze and warn if the complexity (number of levels etc) grows too big.