index.html

<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="utf-8">
	<meta http-equiv="X-UA-Compatible" content="IE=edge">
	<meta name="viewport" content="width=device-width, initial-scale=1">
	<title>Facebook Video Downloader</title>
	<!-- Webix Library -->
	<script type="text/javascript" src="//cdn.webix.com/edge/webix.js"></script>
	<!--<script type="text/javascript" src="webix.js"></script>-->

	<link rel="stylesheet" type="text/css" href="//cdn.webix.com/edge/webix.css">
	<!--<link rel="stylesheet" type="text/css" href="webix.css">-->

	<!-- Icons -->
	<link rel="stylesheet" href="https://cdn.materialdesignicons.com/3.6.95/css/materialdesignicons.min.css" crossorigin="anonymous">

	<!-- App -->
	<script type="text/javascript" src="codebase/myapp.js"></script>
	<link rel="stylesheet" type="text/css" href="codebase/myapp.css">
</head>
<body></body>
</html>