body {
  margin: 0px;
  padding: 0px;
  background-color: #000;
  overflow: hidden;
}

img {
  width: 60px;
  margin: auto;
  position: absolute;
  top: 0px;
  left: 0px;
  bottom: 0px;
  right: 0px;
  animation-name: pulse_animation;
	animation-duration: 2000ms;
	animation-iteration-count: infinite;
	animation-timing-function: linear;
}

@keyframes pulse_animation {
	0% { transform: scale(1.2); }
	10% { transform: scale(1); }
	80% { transform: scale(1); }
	90% { transform: scale(0.8) rotate(90deg); }
	100% { transform: scale(1.2) rotate(90deg); }
}