anchor.diff:                                            </p>
                                           </tr>
                                           <tr>
  -                                            <td align="left" style="padding: 20px 0 0 0; font-size: 16px; line-height: 25px; font-family: Helvetica, Arial, sans-serif; color: #666666;" class="padding-copy">
  -                                              <%= sanitize @message.body %>
  -                                            </td>
  +                                          <td align="left" style="font-size: 14px; line-height: 25px; font-family: Helvetica, Arial, sans-serif; color: #333333;" class="padding-copy">
  +                                            <%= sanitize @message.body %>
  +                                          </td>
  +                                        </tr>
  +
  +                                        <tr align="left">
  +                                          <td class="content-block" style="font-family: Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 14px; vertical-align: top; margin: 0; padding: 20px 0;"
  +                                        >
  +                                          <%= link_to 'Reply', mailbox_url('inbox'), class: "btn-primary", style: "font-family: 'Helvetica Neue', 'Helvetica', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 14px; color: #FFF; text-decoration: none; line-height: 2; font-weight: bold; text-align: center; cursor: pointer; display: inline-block; border-radius: 5px; text-transform: capitalize; background: #5b98e0; margin: 0; padding: 0; border-color: #5b98e0; border-style: solid; border-width: 5px 20px;" %>
  +                                          </td>
                                           </tr>
                                       </table>
                                   </td>
  
positive.code:         </td>
      </tr>
      <tr>
          <td bgcolor="#ffffff" align="center" style="padding: 20px 0px;">
              <!--[if (gte mso 9)|(IE)]>
              <table align="center" border="0" cellspacing="0" cellpadding="0" width="500">
              <tr>
              <td align="center" valign="top" width="500">
              <![endif]-->
              <!-- UNSUBSCRIBE COPY -->
              <table width="100%" border="0" cellspacing="0" cellpadding="0" align="center" style="max-width: 500px;" class="responsive-table">
                  <tr>
                      <td align="left" style="font-size: 12px; line-height: 18px; font-family: Helvetica, Arial, sans-serif; color:#666666;">
                          1234 Main Street, Anywhere, MA 01234, USA
                          <br>
                          <a href="http://litmus.com" target="_blank" style="color: #666666; text-decoration: none;">Unsubscribe</a>
                          <span style="font-family: Arial, sans-serif; font-size: 12px; color: #444444;">&nbsp;&nbsp;|&nbsp;&nbsp;</span>
                          <a href="http://litmus.com" target="_blank" style="color: #666666; text-decoration: none;">View this email in your browser</a>
                      </td>
                  </tr>
              </table>
  
negative.code:         .mobile-button {
              padding: 15px !important;
              border: 0 !important;
              font-size: 14px !important;
              display: block !important;
          }
  
      }
  
      /* ANDROID CENTER FIX */
      div[style*="margin: 14px 0;"] { margin: 0 !important; }
  </style>
  </head>
  <body style="margin: 0 !important; padding: 0 !important;">
  