The background-position property sets the initial position for the background image.
The background-attachment property sets the background image as fixed or scroll.
The background-size property sets the size of the background image.
The edge offset value places a background image at one of the page's corners.
The first background listed is placed on top. The last background listed is placed on the bottom. The last background is the only one that can have a color value.
The CSS background properties can set position, fixedness, size, and corner offset.