Background size

Value	Description	Play it
auto	Default value. The background-image contains its width and height	Play it »
length	Sets the width and height of the background image. The first value sets the width, the second value sets the height. If only one value is given, the second is set to “auto”	Play it »
percentage	Sets the width and height of the background image in percent of the parent element. The first value sets the width, the second value sets the height. If only one value is given, the second is set to “auto”	Play it »
cover	Scale the background image to be as large as possible so that the background area is completely covered by the background image. Some parts of the background image may not be in view within the background positioning area	Play it »
contain	Scale the image to the largest size such that both its width and its height can fit inside the content area	Play it »
initial	Sets this property to its default value. Read about initial	Play it »
inherit	Inherits this property from its parent element. Read about inherit