grav-lecampus/user/themes/lecampus/templates/partials/blog/taxonomy.html.twig

{% if page.taxonomy.tag %}
  {% macro pageLinkName(text) %}{{ text|lower|replace({' ':'_'}) }}{% endmacro %}

  {% import _self as macro %}

  {% for tag in page.taxonomy.tag %}
    <span class="tags {{ macro.pageLinkName(tag) }}">
      <a class="label">{{ tag }}</a>
    </span>
  {% endfor %}
{% endif %}