Complete list of reasons why a css file might not be working

Question

This problem is making me feel like an absolute noob.

Here is the head of my .html file:

Answer 1

I had the same problem - I changed my text encoding to UTF-16 on my index file and my css file would show up blank when I'd try to load the page in the browser. I figured out by much trial and error that your html and css files have to have the same encoding! I don't know if this would work for you but it did for me.