<!DOCTYPE html>
<html lang="en-US">
<head>
<style>
div{
width: 100px;
height: 100px;
border: 1px solid #000;
margin: 0px;
animation: myAnimation 2s infinite;
-webkit-animation: myAnimation 2s infinite; /* Safari 4.0 - 8.0 */
}
@keyframes myAnimation {
50% {margin: 50px;}
}
/* Safari 4.0 - 8.0 */
@-webkit-keyframes myAnimation {
50% {margin: 50px;}
}
</style>
</head>
<body>
<h1>CSS Animatable margin</h1>
<div></div> </body>
</html>