{% if prev_id or next_id %}
<div class="d-flex justify-content-between align-items-center mt-3 mb-3">
  <a class="btn btn-secondary btn-sm{% if not prev_id %} disabled{% endif %}"
     href="{% if prev_id %}{{ get_url('.details_view', id=prev_id, url=return_url) }}{% else %}javascript:void(0){% endif %}">
    &larr; Previous
  </a>
  <span class="text-muted">{{ current_pos }} / {{ current_total }}</span>
  <a class="btn btn-secondary btn-sm{% if not next_id %} disabled{% endif %}"
     href="{% if next_id %}{{ get_url('.details_view', id=next_id, url=return_url) }}{% else %}javascript:void(0){% endif %}">
    Next &rarr;
  </a>
</div>
{% endif %}