- var top_img = theme.error_404.background || theme.default_top_img - var bg_img = `background-image: url('${url_for(top_img)}')` #body-wrap.error div(style='display: none') include ./header/index.pug #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')