.piscando {
	animation: animate_piscando 1s infinite;
}

.pisca {
	animation: animate_piscando 1s;
}

@keyframes animate_piscando {
	0% {
		opacity: 0.2;
	}
	40% {
		opacity: 1;
	}
	70% {
		opacity: 1;
	}
	100% {
		opacity: 0.2;
	}
}