've found that 680px is a good width. Change with caution.
        -->
		<div style="max-width: 680px; margin: auto;" class="email-container">
			<!--[if mso]>
            <table role="presentation" cellspacing="0" cellpadding="0" border="0" width="680" align="center">
            <tr>
            <td>
            <![endif]-->
			<!-- Email Body : BEGIN -->
			<table role="presentation" cellspacing="0" cellpadding="0" border="0" align="center" width="100%" style="max-width: 680px;" class="email-container">
