body {
  background-color: orange;
  color: black;
  font-family: Courier;
  margin: 0;
}

img {
  height: 400px;
  width: 400px;
  animation: 20s linear infinite spin;
  border-radius: 400px;
  margin: 0 auto;
  display: block;
  position: fixed;
  top: 50%;
  left: 50%;
  margin-left: -200px;
  margin-top: -200px;
}

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

.backer {
  height: 100px;
  width: 100%;
  position: absolute;
  display: inline;
  top: 0px;
  z-index: -1;
  padding: 0;
  margin: 0;
}