- var top_img = theme.error_404.background || theme.default_top_img - var bg_img = `background-image: url('${url_for(top_img)}')` doctype html html(lang=config.language data-theme=theme.display_mode) head include includes/head.pug body if theme.preloader !=partial('includes/loading/loading', {}, {cache: true}) if theme.fireworks && theme.fireworks.enable canvas.fireworks if theme.background #web_bg #error-wrap .error-content .error-img(style=bg_img) .error-info h1.error_title= '404' .error_subtitle= theme.error_404.subtitle a.button--animated(href=config.root) i.fas.fa-rocket = _p('error404.back_button') include includes/additional-js.pug