animate.css/source/rotating_entrances/rotateIn.css

@keyframes rotateIn {
	0% {
		transform-origin: center center;
		transform: rotate(-200deg);
		opacity: 0;
	}

	100% {
		transform-origin: center center;
		transform: rotate(0);
		opacity: 1;
	}
}

.rotateIn {
	animation-name: rotateIn;
}