init...

themes/butterfly/layout/includes/404.pug

@@ -0,0 +1,12 @@
+- var top_img_404 = theme.error_404.background || theme.default_top_img
+
+#body-wrap.error404
+  include ./header/index.pug
+
+  #error-wrap
+    .error-content
+      .error-img
+        img(src=url_for(top_img_404) alt='Page not found')
+      .error-info
+        h1.error_title= '404'
+        .error_subtitle= theme.error_404.subtitle || _p('error404')