<div class="monster"></div>
body {
  background: #24aecd;
}

.monster {
  width: 190px;
  height: 240px;
  margin: 2% auto;
  background: url('https://treehouse-code-samples.s3.amazonaws.com/CSS-DD/codepen/blog/monster.png') left center;
  animation: play .8s steps(10) infinite;
}

@keyframes play {
	100% { background-position: -1900px; }
}

External CSS

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External JavaScript

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