CSS Animatable transform-origin Property Example

<!DOCTYPE html>
<html>
<head>
<style> 
#container { 
    margin: auto;
    height: 150px;
    width: 300px;
    padding: 10px;
    background: #333;
    text-align: center;
    color: #fff;
    box-shadow: 0 0 10px 0 #888;
}

@keyframes anim {
  	50% { transform-origin: 0 0 0;}
}

#child {
    padding: 30px; 
    background-color: red; 
    white-space: pre;
    animation: anim 10s infinite;
    font-size: 20px;
  	width: 150px;
  	height: 20px;
    transform: rotate(45deg);
    opacity: 0.8;
}
#child-original {
    padding: 30px;
    background-color: blue;
    white-space: pre;
    font-size: 20px;
    position: absolute;
  	width: 150px;
  	height: 20px;
}
</style>
</head>
<body>

<h1>Animatable 'transform-origin' Property</h1>
<hr>

<p>Experience the changing value of the transform origin property to 0,0,0.<p>
  
<div id="container">Transform Origin Property
  	<div id="child-original">0 1 2 3 4 5 6 7 8 9</div>
  	<div id="child">0 1 2 3 4 5 6 7 8 9</div>
</div>

</body>
</html>