<head>
  <title>Letterhead</title>
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
</head>

<body>
</body>

<head>
  <title>Letterhead</title>
  <meta charset="utf-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
</head>

<body>
</body>

Add some metatags in head to satisfy bootlint
Add some metatags in head to satisfy bootlint
