W3.CSS is free to use. No license is necessary.
Does that not constitute a license? W3.CSS is free to use. No license is necessary.
Does that not constitute a license?However, it does seem to be MIT-licensed. Linked from the downloads page:
Decent chance it will stand up in court, but it's not going to make your legal department very happy.
https://github.com/JaniRefsnes/w3css/blob/master/LICENSE
Based on the github account being similar to the names in https://www.w3schools.com/w3css/4/w3.css, it is likely to be the origin.
Edit: https://news.ycombinator.com/item?id=32831880, beat me to it by a few seconds!
I like getting things done.