anchor.diff:                      <table style="margin: 0 auto; padding: 0; width: 200px; font-family: 'Helvetica Neue-Light', 'Helvetica Neue Light', 'Helvetica Neue', HelveticaNeue, Helvetica, Arial, sans-serif; font-size: 0; color: #CCC; font-weight: normal; background: white; text-align: center;" width='200' cellspacing='0' cellpadding='0' align="center" bgcolor="#FFFFFF">
                           <tr>
                               <td width="80" align="right">
  -                                <a href="http://www.facebook.com/sharer/sharer.php?u=<%= CGI::escape(Rails.application.config.action_mailer.default_url_options || "") %>?ref=<%= CGI::escape(@user.referral_code) %>&title=Harrys" style="outline: 0; border: 0;" target="_blank">
  +                                <a href="http://www.facebook.com/sharer/sharer.php?u=<%= CGI::escape(Rails.application.config.action_mailer.default_url_options || "") %>?ref=<%= CGI::escape(@user.referral_code) %>" style="outline: 0; border: 0;" target="_blank">
                                       <img src="<%= Rails.application.config.action_mailer.default_url_options %>/assets/facebook.jpg" alt="Share on Facebook" style="display: block; margin: 0; padding: 0; border: 0;">
                                   </a>
                               </td>
  
positive.code: </head>
  
  <body style="margin: 0; padding: 0;">
    <span style='font-size: 0; line-height: 0; height: 0; width: 0;'>You'll be first to know when we launch. Shaving is evolving. Tell your friends and shave for free.</span>
    <table width="100%" cellspacing='0' cellpadding='0' border="0" bgcolor="#ebebeb" style="background-color: #ebebeb; padding: 73px 15px; margin: 0;">
      <tr>
        <td align="center">
  
negative.code:           </tr>
          </table>
          <table style="margin: 0 auto; padding: 0; width: 651px; font-family: 'Helvetica Neue-Light', 'Helvetica Neue Light', 'Helvetica Neue', HelveticaNeue, Helvetica, Arial, sans-serif; font-size: 0; color: #CCC; font-weight: normal; border: 4px solid #995e5d; border-top: none; border-bottom: none; background: white; text-align: center;" width='651' cellspacing='0' cellpadding='0' align="center" bgcolor="#FFFFFF">
            
          </table>
          <table style="margin: 0 auto; padding: 0; width: 651px; font-family: 'Helvetica Neue-Light', 'Helvetica Neue Light', 'Helvetica Neue', HelveticaNeue, Helvetica, Arial, sans-serif; font-size: 0; color: #CCC; font-weight: normal; border: 4px solid #995e5d; border-top: none; border-bottom: none; background: white; text-align: center;" width='651' cellspacing='0' cellpadding='0' align="center" bgcolor="#FFFFFF">
            <tr>
  