You can also give a length in pixels. A three- or four-value syntax alternates between keywords and length or percentage units. And after we can set the distance we want from that position, for example 20px. Yeay! we did it. Percentages work a little differently.
Specifies that the upper left corner of the image be placed 5 pixels to the right of and 10 pixels below the upper left corner of the element. Vertical alignment is centered.