Position Absolute Top. Which parent its going to position itself relative to. Translate 50 50these properties are set on.
Where position is one of. 50 for 50 edge position. Bottom for the vertical bottom position.
I guess thats the best way to put it.
Using position and transform propertyparentposition. You can see it httpswycombe hivevercelapp. Afaik z index doesnt work unless that element is set to position. This absolutely positioned element always display 50 pixels from the top of that relatively positioned division no matter what else displays there in normal flow.