HTML
Basic HTML Template
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>The HTML5 Herald</title>
<meta name="description" content="The HTML5 Herald">
<meta name="author" content="SitePoint">
<link rel="stylesheet" href="css/styles.css?v=1.0">
<!--[if lt IE 9]>
<script src="https://cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.3/html5shiv.js"></script>
<![endif]-->
</head>
<body>
<script src="js/scripts.js"></script>
</body>
</html>
Ref. SitePoint
Input types
See the Pen by cuadraman (@cuadraman) on CodePen.
How to display a PDF in a web page
<iframe src="https://www.cca.edu/sites/default/files/pdf/08/word-to-pdf.pdf" width="800px" height="800px"></iframe>