text-drop-shadow(rgb-value, opacity, offsetX, offsetY, blur)
	text-shadow offsetX offsetY blur rgba(rgb-value, opacity)

object-transitions(rate)
	-moz-transition all rate linear
	-webkit-transition all rate linear
	-o-transition all rate linear
	transition all rate linear

background-opacity(rgb-value, opacity)
	background rgba(rgb-value, opacity)