pdf embed in iframe

<html>
<head>
<style>
html, body{
	max-width:100%;
	max-height:100%;
}
#pdf-stuff {
	margin-top:30px;
	margin-left: 20%;
	margin-right: auto;
}
</style>
</head>
<body>
<div id="pdf-stuff">
    <object data="http://www.urartuuniversity.com/content_images/pdf-sample.pdf" type="application/pdf" width="80%" height="80%">

</object>
</div>
</body>
</html>