non- image repeat itself ?

[soltoreats]

how to make a non- image repeat itself?

MiniWindow
id: minimapWindow
!text: tr('')
size: 250 200
image-source: img/bg
@onClose: modules.game_minimap.onMiniWindowClose()
&save: true
draggable: false

 

[margoh]

image-border: X or image-border-top: X1 && image-border-bottom: X2 && image-border-right: X3 && image-border-left: X4.