You can style the background of an element in one declaration with the background property.
background: #ffffff url(path_to_image) top left no-repeat fixed;
Or you can set each property individually
If you are using an image as a background. You can set whether the background scrolls with the page or is fixed when the user scrolls down the page with the background-attachment property
You can specifically declare a color for the background of an element using the background-color property.
You can set an image for the background of an element using the background-image property.
You can position an image used for the background of an element using the background-position property.
You can set if an image set as a background of an element is to repeat (across=x and/or down=y) the screen using the background-repeat property.
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