How do I minify CSS in Rails 4?

Question

I tried the following, however I look at the CSS source and it does not minify! I restarted the server several dozen times. I turned off cache in the browser. I also tried t

Answer 1

This was failing for me because I had image-url("/img/header/gradient.png") instead of image-url("img/header/gradient.png"). The moral: don't use a slash at the beginning of the path.