index.html

<!DOCTYPE html>
<html>
<head lang="en">
	<title>Hyperaudio Converter</title>
	<meta charset="utf-8">
	<meta content="IE=edge,chrome=1" http-equiv="X-UA-Compatible">
	<meta name="viewport" content="width=device-width">
	<link href="/assets/images/inserts/favicon.ico" rel="icon" type="image/x-icon" >
	<style type="text/css">
	body {
		margin:0px;
		padding:0px;
		overflow:scroll-y;
	}

	.main {
		overflow:hidden;
		height: 100%;
		height: calc(100% - 54px);
		width:100%;
		position:absolute;
		top:54px;
		left:0px;
		right:0px;
		bottom:0px;
	}
	</style>
</head>
<body>
	<iframe src="/commons/tools/header.html" height="100px" width="100%" frameborder="0" seamless scrolling="no"></iframe>
	<iframe class="main" src="converter.html" height="100%" width="100%" frameborder="0" seamless></iframe>
</body>
</html>