<!DOCTYPE html>
<html>
<head>
<style>
#main {
width: 400px;
height: 150px;
border: 1px solid #000000;
display: flex;
}
#main div {
width: 70px;
height: 70px;
}
#myGreenDIV {
animation: mymove 5s infinite;
}
@keyframes mymove {
50% {order: 6;}
}
</style>
</head>
<body>
<h1>Animation of order</h1>
<p>Change the order of the green DIV element from 1 to 6, and back to 1:<p>
<div id="main">
<div style="background-color:lightgreen;order:1;" id="myGreenDIV"></div>
<div style="background-color:coral;order:2;"></div>
<div style="background-color:lightblue;order:3;"></div>
<div style="background-color:pink;order:4;"></div>
</div>
</body>
</html>