<div class="buscador">
<div class="input-group custom-search-form">
{{ form_start(form) }}
{{ form_errors(form) }}
{{ form_widget(form.query, {'attr' : {'class' : ''}}) }}
{{ form_widget(form.send, {'attr': {'class':'btn btn-default boton_buscador icon-search'} }) }}
{{ form_end(form) }}
</div>
</div>