Not sure if whoever needs this answer will find it here, but i've spent HOURS frustratingly trying to solve a problem and finally found a solution:

All the tutorials say to edit the /YourTemplateName/Stylesheet.css BUT also make a backup. I made a backup, I called it StylesheetBACKUP.css

Now all you pro's might be wincing, but what does the system do? It reads EVERY .css starting with the name Stylesheet, and then StylesheetXXX, etc.

Meaning that AFTER it loads my stylesheet, it THEN loads my "backup" stylesheet replacing EVERY variable, and nothing I ever edit makes any real changes. You have to rename your backup something that does NOT begin with "stylesheet".

There's no way to know, but in searching for the "how the heck do I edit anything" I found hundreds of people asking the same question, ie "I edit the stylesheet, nothing happens, what am I doing wrong" and this could be the solution to most of them.