Responsive html template from http://rmion.com/responsive-html-email/

basic responsive html mail template

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta name="format-detection" content="telephone=no" />

<title>Responsive HTML Email Template</title>

<!--End New Content Block Wrapper Row-->
<table id="bodyTable" width="100%" border="0" cellspacing="0" cellpadding="0"><!--New Content Block Wrapper Row-->
<tbody>
<tr>
<td class="bodyCell" align="center" valign="top">
<table class="containerTable" width="100%" border="0" cellspacing="0" cellpadding="0">
<tbody>
<tr>
<td class="containerCell" align="center" valign="top"><!--Where all the fun stuff happens-->
</td>
</tr>
</tbody>
</table>
</td>
</tr>
</tbody>
</table>