The image is repeated in the horizontal direction as often as needed to cover the background painting area.
repeat-y
The image is repeated in the vertical direction as often as needed to cover the background painting area.
repeat
The image is repeated in the horizontal and vertical direction as often as needed to cover the background painting area.
space
The image is repeated as often as will fit within the background positioning area without being clipped and then the images are spaced out to fill the area.
round
The image is repeated as often as will fit within the background positioning area. If it doesn't fit a whole number of times, it is rescaled so that it does.
no-repeat
The image is placed once and not repeated in this direction.