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<!DOCTYPE html>
<html>
<head>
<title>CSS Transition Reference File</title>
<link rel="author" title="Oleg Janeiko" href="mailto:oleg@the-incredible.me">
<style type="text/css">
.container {
background-color: red;
height: 200px;
width: 200px;
}
.box {
width: 100px;
height: 100px;
background-color: green;
transition-property: width;
transition-duration: 0;
}
.box.transition {
width: 200px;
height: 200px;
}
</style>
<script type="text/javascript" charset="utf-8">
function ready(){
var box = document.querySelector('.box');
box.className = 'box transition';
}
</script>
</head>
<body onload="ready();">
<div>
<p>You should not see a red background during the transition. Note: if the test passes transition is instant.</p>
</div>
<div class="container">
<div class="box"></div>
</div>
</body>
</html>