.center_img {
	width: 85px;
  height: 85px;
  animation-name: rotate;
  animation-duration: 5s;
  animation-iteration-count: infinite;
  margin-bottom: 24px;
}

.unknown_page {
  text-align: center;
  padding: 33vh 10px;
  font-size: 24px;
  color: #b7b7b7;
}

@keyframes rotate {
	0% {
  	transform: rotateZ(0);
  }
  100% {
  	transform: rotateZ(360deg);
  }
}