Почему Django-CMS не видит пользовательские CSS/JS?

import os

# Build paths inside the project like this: os.path.join(BASE_DIR, ...)
BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))


# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/2.1/howto/deployment/checklist/

# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = '7-4i_)7h+hu*h3jurhrfbwr51dx*7z=b%uoes0sy!n(&#_6x1g'

# SECURITY WARNING: don't run with debug turned on in production!
DEBUG = True

ALLOWED_HOSTS = []


# Application definition

INSTALLED_APPS = [
    'djangocms_admin_style',
    'djangocms_text_ckeditor',
    'djangocms_link',
    'djangocms_file',
    'djangocms_picture',
    'djangocms_video',
    'djangocms_googlemap',
    'djangocms_snippet',
    'djangocms_style',
    'djangocms_column',
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'django.contrib.sites',
    'cms',
    'menus',
    'treebeard',
    'sekizai',
    'filer',
    'easy_thumbnails',
    'mptt',
]

MIDDLEWARE = [
    'django.middleware.locale.LocaleMiddleware',
    'django.middleware.security.SecurityMiddleware',
    'django.contrib.sessions.middleware.SessionMiddleware',
    'django.middleware.common.CommonMiddleware',
    'django.middleware.csrf.CsrfViewMiddleware',
    'django.contrib.auth.middleware.AuthenticationMiddleware',
    'django.contrib.messages.middleware.MessageMiddleware',
    'django.middleware.clickjacking.XFrameOptionsMiddleware',
    'cms.middleware.user.CurrentUserMiddleware',
    'cms.middleware.page.CurrentPageMiddleware',
    'cms.middleware.toolbar.ToolbarMiddleware',
    'cms.middleware.language.LanguageCookieMiddleware',
    'cms.middleware.utils.ApphookReloadMiddleware',
]

ROOT_URLCONF = 'blog.urls'

TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'DIRS': ['templates'],
        'APP_DIRS': True,
        'OPTIONS': {
            'context_processors': [
                'django.template.context_processors.debug',
                'django.template.context_processors.request',
                'django.contrib.auth.context_processors.auth',
                'django.contrib.messages.context_processors.messages',
                'sekizai.context_processors.sekizai',
                'cms.context_processors.cms_settings',
            ],
        },
    },
]

CMS_TEMPLATES = [
    ('home.html', 'Home page template'),
]

STATICFILES_FINDERS = [
    'django.contrib.staticfiles.finders.FileSystemFinder',
    
    'django.contrib.staticfiles.finders.AppDirectoriesFinder',
]

THUMBNAIL_HIGH_RESOLUTION = True

THUMBNAIL_PROCESSORS = (
    'easy_thumbnails.processors.colorspace',
    'easy_thumbnails.processors.autocrop',
    'filer.thumbnail_processors.scale_and_crop_with_subject_location',
    'easy_thumbnails.processors.filters'
)



WSGI_APPLICATION = 'blog.wsgi.application'


# Database
# https://docs.djangoproject.com/en/2.1/ref/settings/#databases

DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.sqlite3',
        'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
    }
}


# Password validation
# https://docs.djangoproject.com/en/2.1/ref/settings/#auth-password-validators

AUTH_PASSWORD_VALIDATORS = [
    {
        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
    },
]


# Internationalization
# https://docs.djangoproject.com/en/2.1/topics/i18n/

LANGUAGE_CODE = 'en-us'

TIME_ZONE = 'UTC'

USE_I18N = True

USE_L10N = True

USE_TZ = True

LANGUAGES = [
    ('en-us', 'English'),
    ('ru', 'Russian'),
]

SITE_ID = 1

# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/2.1/howto/static-files/
MEDIA_URL = "/media/"
MEDIA_ROOT = os.path.join(BASE_DIR, "media")
STATIC_URL = '/static/'
STATIC_ROOT = os.path.join(BASE_DIR, "static")

from django.contrib import admin
from django.urls import path
from django.conf.urls import url, include
from django.conf import settings
from django.conf.urls.static import static

urlpatterns = [
    path('admin/', admin.site.urls),   
]+static(settings.STATIC_URL, document_root=settings.STATIC_ROOT)+static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)

urlpatterns += [url(r'^', include('cms.urls')),]

{% load static staticfiles i18n cms_tags sekizai_tags menu_tags %}
<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <title>{% page_attribute "page_title" %}</title>
        {% addtoblock "css" %}
            <link rel="stylesheet" type="text/css" href="{% static 'css/style.css/' %}">
        {% endaddtoblock "css" %}
        {% render_block "css" %}
    </head>
    <body>
        {% cms_toolbar %}
        {% placeholder "content" %}
        <footer>
            {% static_placeholder 'footer' %}
        </footer>
        {% render_block "js" %}
    </body>
</html>