{% set font_style = app.extensions.frasco_mail.options.get('email_tpl_font', "font-family: 'Helvetica Neue', 'Helvetica', Helvetica, Arial, sans-serif; font-size: 14px;") %} {% set common_style = "box-sizing: border-box;" + font_style %} {% macro mail_content(center=False) -%}