In the main tutorial, the icons in the HTML templates are shown as includes. In the tutorial extensions, they are shown as a span. The span fails to show on the page, but the include method as seen in the main tutorial works as intended.
Compare https://tutorial.djangogirls.org/en/django_forms/ to https://tutorial-extensions.djangogirls.org/en/authentication_authorization/
In the main tutorial, the icons in the HTML templates are shown as includes. In the tutorial extensions, they are shown as a span. The span fails to show on the page, but the include method as seen in the main tutorial works as intended.
Compare https://tutorial.djangogirls.org/en/django_forms/ to https://tutorial-extensions.djangogirls.org/en/authentication_authorization/