@keyframes hinge
	0%
		transform: rotate(0)
		transform-origin: top left
		animation-timing-function: ease-in-out

	20%, 60%
		transform: rotate(80deg)
		transform-origin: top left
		animation-timing-function: ease-in-out

	40%
		transform: rotate(60deg)
		transform-origin: top left
		animation-timing-function: ease-in-out

	80%
		transform: rotate(60deg) translateY(0)
		transform-origin: top left
		animation-timing-function: ease-in-out
		opacity: 1

	100%
		transform: translateY(em(700px))
		opacity: 0

generateAnimationPlaceholder(hinge)