mixin button(url, text)
    table.btn.btn-primary(role='presentation' border='0' cellpadding='0' cellspacing='0')
        tbody
            tr
                td(align='left')
                    table(role='presentation' border='0' cellpadding='0' cellspacing='0')
                        tbody
                            tr
                                td
                                    a(href=url, target='_blank')= text