body {
  background: #1D1F20;
}

@-webkit-keyframes wink {
    from { background-position: 0 0; }
    to { background-position: -3780px 0; }
}

@-moz-keyframes wink {
    from { background-position: 0 0; }
    to { background-position: -3780px 0; }
}

@keyframes wink {
    from { background-position: 0 0; }
    to { background-position: -3780px 0; }
}

.sprite {
  background-image: url("http://geekboy.in/wp-content/uploads/2014/11/sprite-1.png");
  width: 140px;
  height: 140px;
  margin: 40px auto 0;
  -webkit-animation: wink 2s steps(27) infinite;
  -moz-animation: wink 2s steps(27) infinite;
  animation: wink 2s steps(27) infinite;
}