Django cssがbase.html以外読み込まれない

djangoでwebアプリ作っているのですが、base.html以外のhtmlファイルにcss読み込まれないです。base.htmlは読み込まれています。ファイル構成は以下の通りです。

├── accounts
│   ├── __init__.py
│   ├── __pycache__
│   │   ├── __init__.cpython-37.pyc
│   │   ├── admin.cpython-37.pyc
│   │   ├── apps.cpython-37.pyc
│   │   ├── forms.cpython-37.pyc
│   │   ├── models.cpython-37.pyc
│   │   ├── urls.cpython-37.pyc
│   │   └── views.cpython-37.pyc
│   ├── admin.py
│   ├── apps.py
│   ├── forms.py
│   ├── migrations
│   │   ├── 0001_initial.py
│   │   ├── 0002_auto_20191213_2045.py
│   │   ├── 0003_auto_20191214_1619.py
│   │   ├── 0004_profile_gender.py
│   │   ├── 0005_auto_20191215_1143.py
│   │   ├── 0006_profile_user.py
│   │   ├── __init__.py
│   │   └── __pycache__
│   │       ├── 0001_initial.cpython-37.pyc
│   │       ├── 0002_auto_20191213_2045.cpython-37.pyc
│   │       ├── 0003_auto_20191214_1619.cpython-37.pyc
│   │       ├── 0004_profile_gender.cpython-37.pyc
│   │       ├── 0005_auto_20191215_1143.cpython-37.pyc
│   │       ├── 0006_profile_user.cpython-37.pyc
│   │       └── __init__.cpython-37.pyc
│   ├── models.py
│   ├── tests.py
│   ├── urls.py
│   └── views.py
├── db.sqlite3
├── example
│   ├── __init__.py
│   ├── __pycache__
│   │   ├── __init__.cpython-37.pyc
│   │   ├── settings.cpython-37.pyc
│   │   ├── urls.cpython-37.pyc
│   │   └── wsgi.cpython-37.pyc
│   ├── settings.py
│   ├── urls.py
│   └── wsgi.py
├── manage.py
└── sample
    ├── __init__.py
    ├── __pycache__
    │   ├── __init__.cpython-37.pyc
    │   ├── admin.cpython-37.pyc
    │   ├── forms.cpython-37.pyc
    │   ├── models.cpython-37.pyc
    │   ├── urls.cpython-37.pyc
    │   └── views.cpython-37.pyc
    ├── admin.py
    ├── apps.py
    ├── forms.py
    ├── migrations
    │   ├── 0001_initial.py
    │   ├── 0002_friend.py
    │   ├── 0003_friend_list.py
    │   ├── 0004_auto_20191218_1016.py
    │   ├── __init__.py
    │   └── __pycache__
    │       ├── 0001_initial.cpython-37.pyc
    │       ├── 0002_friend.cpython-37.pyc
    │       ├── 0003_friend_list.cpython-37.pyc
    │       ├── 0004_auto_20191218_1016.cpython-37.pyc
    │       └── __init__.cpython-37.pyc
    ├── models.py
    ├── static
    │   └── css
    │       └── ShareFile.css
    ├── templates
    │   ├── base.html
    │   ├── registration
    │   │   └── login.html
    │   └── sample
    │       ├── afterlogin.html
    │       ├── change_profile.html
    │       ├── file_share.html
    │       ├── friend_allow.html
    │       ├── friend_list.html
    │       ├── friend_register.html
    │       ├── friend_register_complete.html
    │       ├── ho.html
    │       ├── home.html
    │       ├── mypage.html
    │       ├── signup.html
    │       └── upload.html
    ├── tests.py
    ├── uploads
    ├── urls.py
    └── views.py

base.html

html
1{% load static %}
2<!DOCTYPE html>
3<html>
4  <head>
5    <meta harset="UTF-8" name="viewport" content="width=device-width,initial-scale=1.0,minimum-scale=1.0">
6    <title>ShareFile</title>
7    <link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css">
8    <link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap-theme.min.css">
9    <link rel="stylesheet" href="{% static 'css/ShareFile.css' %}">
10  </head>
11  <body>
12    <div class='header'>
13      <h4 class='title'>ShareFile</h4>
14    </div>
15    <div class="cp_cont">
16      <div class="cp_offcm01">
17        <input type="checkbox" id="cp_toggle01">
18        <label for="cp_toggle01"><span></span></label>
19        <div class="cp_menu">
20        <ul>
21          {% if user.is_authenticated %}
22          <li><a href="{% url 'sample:friend_allow' username=user.username %}" class="friend_allow">フレンドリクエスト</a></li>
23          <li><a href="{% url 'sample:mypage' %}" class="home">Home</a></li>
24          <li><a href="{% url 'logout' %}" class="logout">Logout</a></li>      
25          {% else %}
26          <li><a href="{% url 'login' %}" class="login">Login</a></li>
27          <li><a href='{% url 'sign:signup' %}'>SignUp</a></li>
28          {% endif %}
29        </ul>
30        </div>
31      </div>
32      <div class="cp_contents">
33        {% block content %}
34        {% endblock %}
35        </div>
36      </div>
37    </div>
38  </body>
39</html>
40

upload.html

html
1{% extends 'base.html' %}
2
3{% block content %}
4<h4 class='sss'>アップロード</h4>
5    <form method="POST" enctype="multipart/form-data">
6        {% csrf_token %}
7        <div class='file_form'>
8            <p>ファイル</p>
9            {{ form.file_models }}
10        </div　class>
11        <div class="form-group">
12            <button type="submit">アップロード</button>
13        </div>
14    </form>
15<hr>
16<h4>ダウンロード</h4>
17    {% if file_list %}
18        {% for file in file_list %}
19            <a href="{% url 'sample:download' username=user.username filename=file %}">{{ file }}</a>
20            <hr>
21        {% endfor %}
22    {% endif %}
23{% endblock %}

ShareFile.css
具体的な場所は一番下の.sssのところです

css
1.header {
2    background-color: gray;
3    margin: 10px;
4    height: 50px;
5}
6.title {
7    color: white;
8    font-size: 45px;
9    text-align: center;
10}
11*, *:before, *:after {
12	padding: 0;
13	margin: 0;
14	box-sizing: border-box;
15}
16ol, ul {
17	list-style: none;
18}
19a {
20	text-decoration: none;
21	color: inherit;
22}
23.cp_cont {
24	height: 65vh;
25}
26.cp_offcm01 {
27	position: absolute;
28	top: 20px;
29	right: 20px;
30	display: inline-block;
31}
32/* menu */
33.cp_offcm01 .cp_menu {
34	position: fixed;
35	top: 0;
36	right: -100vw;
37	width: 250px;
38	height: 100%;
39	cursor: pointer;
40	-webkit-transition: 0.53s transform;
41	        transition: 0.53s transform;
42	-webkit-transition-timing-function: cubic-bezier(.38,.52,.23,.99);
43	        transition-timing-function: cubic-bezier(.38,.52,.23,.99);
44	background-color: #607D8B;
45	opacity: 0.8;
46}
47.cp_offcm01 .cp_menu ul {
48	margin: 0;
49	padding: 0;
50}
51.cp_offcm01 .cp_menu li {
52	list-style: none;
53}
54.cp_offcm01 .cp_menu li a {
55	display: block;
56	padding: 20px;
57	text-decoration: none;
58	color: #ffffff;
59	border-bottom: 1px solid #ffffff;
60}
61
62.cp_offcm01 #cp_toggle01 {
63	position: absolute;
64	display: none;
65    opacity: 0;
66}
67.cp_offcm01 #cp_toggle01:checked ~ .cp_menu {
68	-webkit-transform: translateX(-100vw);
69	        transform: translateX(-100vw);
70}
71/* menu toggle */
72.cp_offcm01 #cp_toggle01 ~ label {
73	display: block;
74	padding: 0.5em;
75	cursor: pointer;
76	-webkit-transition: 0.5s transform;
77	        transition: 0.5s transform;
78	-webkit-transition-timing-function: cubic-bezier(.61,-0.38,.37,1.27);
79	        transition-timing-function: cubic-bezier(.61,-0.38,.37,1.27);
80	text-align: center;
81	color: #333333;
82}
83.cp_offcm01 #cp_toggle01:checked ~ label {
84	-webkit-transform: translateX(-250px);
85	        transform: translateX(-250px);
86}
87.cp_offcm01 #cp_toggle01 ~ label::before {
88	font-family: 'FontAwesome';
89	content: 'MENU';
90	font-size: 1em
91}
92.cp_offcm01 #cp_toggle01:checked ~ label::before {
93	content: 'MENU';
94}
95/* contents */
96.cp_contents {
97	color: #333333;
98	text-align: center;
99}
100.sss {
101	size: 10px;
102	color: red;
103}

setting.py

python
1import os
2
3BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
4
5
6SECRET_KEY = 'ml+og-gq(pqvh*)=s%#_--hiyxsptj7k&uy&v@pxz@=8(uu!^3'
7
8DEBUG = True
9
10ALLOWED_HOSTS = []
11
12
13
14INSTALLED_APPS = [
15    'django.contrib.admin',
16    'django.contrib.auth',
17    'django.contrib.contenttypes',
18    'django.contrib.sessions',
19    'django.contrib.messages',
20    'django.contrib.staticfiles',
21    'sample',
22    'accounts.apps.AccountsConfig',
23]
24
25MIDDLEWARE = [
26    'django.middleware.security.SecurityMiddleware',
27    'django.contrib.sessions.middleware.SessionMiddleware',
28    'django.middleware.common.CommonMiddleware',
29    'django.middleware.csrf.CsrfViewMiddleware',
30    'django.contrib.auth.middleware.AuthenticationMiddleware',
31    'django.contrib.messages.middleware.MessageMiddleware',
32    'django.middleware.clickjacking.XFrameOptionsMiddleware',
33]
34
35ROOT_URLCONF = 'example.urls'
36
37TEMPLATES = [
38    {
39        'BACKEND': 'django.template.backends.django.DjangoTemplates',
40        'DIRS': [os.path.join(BASE_DIR, 'templates')],
41        'APP_DIRS': True,
42        'OPTIONS': {
43            'context_processors': [
44                'django.template.context_processors.debug',
45                'django.template.context_processors.request',
46                'django.contrib.auth.context_processors.auth',
47                'django.contrib.messages.context_processors.messages',
48            ],
49        },
50    },
51]
52
53WSGI_APPLICATION = 'example.wsgi.application'
54
55
56
57DATABASES = {
58    'default': {
59        'ENGINE': 'django.db.backends.sqlite3',
60        'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
61    }
62}
63
64AUTH_PASSWORD_VALIDATORS = [
65    {
66        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
67    },
68    {
69        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
70    },
71    {
72        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
73    },
74    {
75        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
76    },
77]
78
79
80LANGUAGE_CODE = 'ja'
81
82TIME_ZONE = 'Asia/Tokyo'
83
84USE_I18N = True
85
86USE_L10N = True
87
88USE_TZ = True
89
90STATIC_URL = '/static/'
91STATIC_ROOT = os.path.join(BASE_DIR, 'static')
92
93LOGIN_URL = 'account/login'
94LOGIN_REDIRECT_URL = 'sample:mypage'
95LOGOUT_REDIRECT_URL = '/'
96