demo-input.html

<!doctype html>
<html>
<head>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
	<script src="jquery-2.1.1.min.js"></script>
	<script src="letters.js"></script>
	<script src="lb-demo.js"></script>
	<link rel="stylesheet" type="text/css" href="letters.css">
</head>
<body>
	
	<input type="text" class="lb-input">
	<br>
	<h1 class="lb small looped lb-output">0123</h1>
	<h1 class="lb looped lb-output">0123</h1>
	<h1 class="lb big looped lb-output">0123</h1>
	<h1 class="lb giant looped lb-output">000001</h1>

</body>

</html>