How to add spacing to buttons that are parented to canvas box parented to a vertical box?

The short answer is, “uniform grid panel” accomplished the effect I was after precisely. I just meant how exactly that the objects are spaced. Seems much easier with uniform grid panel. However, I’m having some issues getting certain buttons to work in a menu widget. I can't get this button on this widget to open level - #5 by BizaaroGrodd