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 your image into app/assets/images and its name is 'zi-fullscreen-bg.png', for example then you can use

.hero-unit.fullscreen-image-bg {
  background-image: url('zi-fullscreen-bg.png');
}

at least it worked for me!