{% if postos | length > 0 %}
    {% for posto in postos %}  
        <div class="row">
            <div class="col s12 m6">
            <div class="card blue-grey darken-1">
                <div class="card-content white-text">
                <span class="card-title">{{ posto._key }}</span>
                <p>{{ posto.texto }}</p>
                </div>
                <div class="card-action">
                <a href="#">Answer me!</a> 
                </div>
            </div>
            </div>
        </div>
    {% endfor %}
{% endif %}