Rails: How to set a background image in rails from css?

Question

I am using rails 3.2 and i have to set a background for one of the page and i have tried many ways and nothing went right, so looking for some good help. I have tried

Answer 1

If you have the image in your public directory like public/bg.jpg

background-image: url('/bg.jpg')

If you have image in app/assets/images/bg.jpg

 background-image: url('/assets/bg.jpg')