Inger Eik wrote:
And also be careful with upper and lower case. Some servers like to treat CSS and css as two different things.
And also be careful with upper and lower case. Some servers like to treat CSS and css as two different things.
Bingo. It's not the link in the HTML to the CSS but the links in the CSS to the sources. It has always been natural when I use a plain old text editor and had not thought about it while using CC. What an idiot, sheesh.

Added in Edit: I meant to quote @SirAge.