.previewcorner {
	text-align: center;
	font-size:12px;
	color: #fff;
	animation-name: sunrise;
	animation-duration: 5s;
	animation-timing-function: ease;
	animation-iteration-count: 25;
	animation-direction: normal;
	animation-delay: 0s;
	animation-play-state: running;
	animation-fill-mode: forwards;
	width: 100%;
}

@keyframes sunrise {
   0% {
      background: #FFA500;
   }

   33% {
      background: #CC8400;
   }

   66% {
      background: #FF0000;
   }

   100% {
      background: #FFA500;
   }
}