<!doctype html>
<html>
<meta charset="utf-8">
<title>Rotation transformation</title>
<link rel="match" href="rotate_anim_ref.html">
<style>
  div {
    padding: 200px;
    transform: rotate(90deg);
    transition: transform 0s linear;
  }

  div.active {
    transform: rotate(180deg);
  }
</style>
<div>Hello Servo!</div>
<script>
var html = document.getElementsByTagName("html")[0];
var div = document.getElementsByTagName("div")[0];
requestAnimationFrame(function() {
    div.className = "active";
    request