#background-position

Defines the position of the background image.

默认属性 background-position: 0% 0%;

The background image will be positioned at 0% on the horizontal axis and 0% on the vertical axis, which means the top left corner of the element.

background-position: bottom right;

You can use a combination of position keywords: center, top, bottom, left and right.

background-position: center center;

The background image will be positioned in the center of the element.