Where a control sits: the distance from its center to the edges of the viewport, in viewport pixels. Give one of left / right and one of top / bottom; the control keeps that distance when the viewport is resized or turned.
left
right
top
bottom
Optional
Where a control sits: the distance from its center to the edges of the viewport, in viewport pixels. Give one of
left/rightand one oftop/bottom; the control keeps that distance when the viewport is resized or turned.