.sky {
  background-color: transparent;
  margin: 0;
  padding: 0;
}

#pulzal {
	width: 100%;
	height: 100%;
	animation: pulse 3s infinite;

}

@keyframes pulse {
	0% {
		color: rgb(255, 255, 255);
	}

	50% {
		opacity: 0;
	}

	100% {
		color: rgb(255, 255, 255);
	}
}