According to the django-crispy-form documentation , I can change the input width with the input-small class. But my shape always looks 100% wide:

Also, if I add css_class to the field, the size will remain in width: 100% ( .form-control )
I set the form as the documentation explains:
class LoginForm(forms.Form): usuari = forms.CharField( help_text = u'Codi Usuari') paraula_de_pas = forms.CharField( help_text = u'Paraula de pas')
In settings:
CRISPY_TEMPLATE_PACK="bootstrap3"
I am updating the version. What's wrong?
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