macros.html.twig

{% macro box(concert) %}
<div>
    {% spaceless %}
    <h2>
        <span class='time'>{{ concert.time|date('d-m-Y, H:i') }}</span> 
        {{ concert.name | title}}
    </h2>
    {% endspaceless %}
    <p class="place">{{ concert.place }}</p>
</div>

{% endmacro  %}