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<!DOCTYPE html>
<html>
<head>
<style> 
#myDIV {
  position: absolute;
  right: 0;
  width: 100px;
  height: 100px;
  background-color: coral;
  color: white;
  animation: mymove 5s infinite;
}
@keyframes mymove {
  50% {right: 500px;}
}
</style>
</head>
<body>
<h1>Animation of right</h1>
<p>Gradually change the right position of the DIV element from 0 to 500px, and back to 0:<p>
<div id="myDIV">
  <h1>My DIV</h1>
</div>
</body>
</html>