CSS Background Image
The background-image property is used to specify a background image to be applied to all matched elements. By default, this image is tiled to cover the entire element, excluding margin.
A background-image has the following syntax
To use multiple images as background-image, define comma separated url()
The images will stack according to their order with the first declared image on top of the others and so on.
|url('/path/to/image.jpg')||Specify background image's path(s) or an image resource specified with data URI schema (apostrophes can be omitted), separate multiples by comma|
|none||No background image|
|inherit||Inherit parent's value|