<!DOCTYPE html>
<html>
<head>
<title>The title of the document</title>
<style>
div {
width: 100px;
height: 100px;
border-radius: 50%;
background: #1c87c9;
position: relative;
-webkit-animation: element 5s infinite;
/* Safari 4.0 - 8.0 */
-webkit-animation-timing-function: ease;
/* Safari 4.0 - 8.0 */
animation: element 5s infinite;
animation-timing-function: ease;
}
/* Safari 4.0 - 8.0 */
@-webkit-keyframes element {
from {
left: 0px;
}
to {
left: 200px;
}
}
@keyframes element {
from {
left: 0px;
}
to {
left: 200px;
}
}
</style>