<link href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/js/bootstrap.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>Demystifying Email Design</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0"/>
</head>
<body style="margin: 0; padding: 0;">
<table border="1" cellpadding="0" cellspacing="0" width="100%">
<tr>
<td>
<table border="1" align="center" width="600" cellpadding="0" cellspacing="0" style="border-collapse: collapse;">
<tr>
<td>
Row 1
</td>
</tr>
<tr>
<td>
Row 2
</td>
</tr>
<tr>
<td>
Row 3
</td>
</tr>
</table>
</td>
</tr>
</table>
</body>
