available options for positioning:top, top-start, top-end, bottom, bottom-start, bottom-end, left, left-start, left-end, right, right-start, right-end

available Animations:scale, scale-subtl, scale-extreme, perspective-extrem, perspective-subtle, perspective, shift-away-extreme shift-away-subtle, shift-away.css, shift-toward-extreme,shift-toward-subtle, shift-toward.