python - CSS not rendered in custom template for 404 and 500 pages django 1.8 -

this folder structure

music     -music     -feature            -static                -feature                    core.css                    -css                       other css files                    -js                    -img              -templates                404.html                500.html                index.html               -feature                   about.html                   detail.html                   template.html      manage.py 

views.py

 django.shortcuts import render   def error404(request):      return render(request,'404.html') 

urls.py

urlpatterns = [  url(r'^featured/(?p<pk>[0-9]+)/$', views.detailview.as_view(), name='detail'), url(r'^about/$', views.about, name='about'), url(r'^faq/$', views.faq, name='faq'), ] handler404 = 'mysite.views.error404' 

the custom 404.html file gets rendered no css.and css works fine on other pages when set debug=falseto check custom 404 error page in settings.py css entire project disappears. folder structure or other problem? edit: core.css main css file , part other css files contains css plugins

it's serving static files. when use debug = true django takes care them otherwise server should it. django in debug mode uses view. warning there:

this view work if debug true.

that’s because view grossly inefficient , insecure. intended local development, , should never used in production.

you can run server --insecure option test 404 error or can explicilty create url page check styling:

use --insecure option force serving of static files staticfiles app if debug setting false. using acknowledge fact it’s grossly inefficient , insecure. intended local development, should never used in production , available if staticfiles app in project’s installed_apps setting. runserver --insecure doesn’t work cachedstaticfilesstorage.