User Guide / CSS Reference / CSS Properties
background-position
Syntax
background-position:
left || right || top || bottom || center || length || percent
Default
top left
Inherited
No
Comments
The background-position property determines the position of the background image relative to the top-left corner of the padding area of the element in which it appears.
Note that the background-attachment property can be used to change the origin relative to which the background image is positioned.