* {
	margin: 0;
	padding: 0;
}

h1.spin {
  width: 30px;
  height: 40px;
  margin: auto;
  
  animation-name: spin;
  animation-duration: 5000ms;
  animation-iteration-count: infinite;
  animation-timing-function: linear; 
  /* transform: rotate(3deg); */
   /* transform: rotate(0.3rad);/ */
   /* transform: rotate(3grad); */ 
   /* transform: rotate(.03turn);  */
}

@keyframes spin {
    from {
        transform:rotate(0deg);
    }
    to {
        transform:rotate(360deg);
    }
}