Add on your settings.py file, “project folder\settings.py”, (at end of file), and put this configurations.
STATIC_URL = '/static/'
STATIC_ROOT = os.path.join(BASE_DIR, "static")
After add this configuration, save your file and then run the command.
python manage.py collectstatic
At do this steps you will realize your folder will be created.
Django não exibe CSS; Django não exibe conteúdo HTML.