{{ form_start(form, {action: path('contact_new')}, {'attr': {'class': 'col s12'}}) }}
{{form_widget(form.prenom)}}
{{form_widget(form.nom)}}
{{form_widget(form.email)}}
{{form_widget(form.phone)}}
{{form_widget(form.subject)}}
{{form_widget(form.content)}}
{{ form_end(form) }}