Fill Foreground Y Position

Sets the precise vertical position of the foreground video within the fill canvas as a percentage. Overrides the vertical component of fill-align when set.

fill-y accepts an integer from 0 (top edge) to 100 (bottom edge), where 50 is centered. Applies only when fit=fill or fit=fillmax is used.

Use fill-y when fill-align’s three-point snap (top/middle/bottom) isn’t precise enough. fill-y=0 ≡ fill-align=top, fill-y=50 ≡ fill-align=middle, fill-y=100 ≡ fill-align=bottom.