text: 
  # own layout default sending mail
  
  UPDATE system_mail_layouts
      SET content_css = '',
      content_html = '<!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 name=\"viewport\" content=\"width=device-width, initial-scale=1.0\" />
      <meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\" />
      <style>
      .urls table,.urls th,.urls td {
          border: 1px solid gray;
          padding: 2px;
          border-collapse: collapse;
      }
      </style>
  </head>
  <body style=\"margin:0; padding: 2px; background: white; \">
      <table width=\"100%\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\">
          <tr>
              <td align=\"center\">
                  <table class=\"content\" width=\"100%\" cellpadding=\"0\" cellspacing=\"0\">
                      <!-- Email Body -->
                      <tr>
                          <td class=\"body\" width=\"100%\" cellpadding=\"0\" cellspacing=\"0\">
                          {{ content|raw }}
                          </td>
                      </tr>
                  </table>
              </td>
          </tr>
      </table>
  </body>
  </html>'
  WHERE `system_mail_layouts`.`name` = 'Default layout';
  
  
  