form lddt

    {{ form_start(form) }}
            <div class="form-group">
                <span class="label-lg">{{ form_label(form.title)}}</span>
                {{ form_errors(form.title) }}
                {{ form_widget(form.title) }}
                <span class="help-block">Saisir le nom du dessin.</span>
            </div>
            <div class="form-group">
                <span class="label-lg">{{ form_label(form.category)}}</span>
                {{ form_errors(form.category) }}
                {{ form_widget(form.category) }}
                <span class="help-block">Saisir la catégorie du dessin.</span>
            </div>
            <div class="form-group">
                <span class="label-lg">{{ form_label(form.color)}}</span>
                {{ form_errors(form.color) }}
                {{ form_widget(form.color) }}
                <span class="help-block">Cocher les couleurs du dessin.</span>
            </div>
        <div class="form-group">
        <ul class="tags" data-prototype="{{ form_widget(form.tags.vars.prototype)|e }}">
            {% for tag in form.tags %}
                <li>
                    {{ form_errors(tag) }}
                    {{ form_widget(tag) }}
                </li>
            {% endfor %}
        </ul>
        </div>
    <input type="submit" value="valider" class="btn btn-primary pull-right" />
       {{ form_end(form) }}