@keyframes blinking {
	0% {
		opacity: 1;
		transform: translateY(0vh);
	}

	50% {
		opacity: 0;
		transform: translateY(75vh);
	}

	100% {
		opacity: 1;
		transform: translateY(0vh);
	}
}

section { animation: blinking 10s infinite ease-in-out; }