{{ form_start(form) }}
    <div class="position-relative row form-group"><label for="contact_name" class="col-sm-2 col-form-label">Nom</label>
        <div class="col-sm-10">
            {{ form_widget(form.name, {'attr': {'class': 'form-control', 'placeholder': ''}}) }}
            {{ form_errors(form.name) }}
        </div>
    </div>
    <div class="position-relative row form-group"><label for="contact_subject" class="col-sm-2 col-form-label">Objet</label>
        <div class="col-sm-10">
            {{ form_widget(form.subject, {'attr': {'class': 'form-control', 'placeholder': ''}}) }}
            {{ form_errors(form.subject) }}
        </div>
    </div>
    <div class="position-relative row form-group"><label for="contact_email" class="col-sm-2 col-form-label">Email</label>
        <div class="col-sm-10">
            {{ form_widget(form.email, {'attr': {'class': 'form-control', 'placeholder': ''}}) }}
            {{ form_errors(form.email) }}
        </div>
    </div>
    <div class="position-relative row form-group"><label for="contact_message" class="col-sm-2 col-form-label">Message</label>
        <div class="col-sm-10">
            {{ form_widget(form.message, {'attr': {'class': 'form-control', 'placeholder': ''}}) }}
            {{ form_errors(form.message) }}
        </div>
    </div>
{{ form_end(form) }}