new-horizons/docs/docs_templates/templates/section_description.html

{# Display description #}
{% if description %}
    <div class="row">
        <div class="col">
            {% if not config.collapse_long_descriptions or description is description_short %}
                <span class="description">{{ description }}</span>
            {% else %}
                <div class="description collapse" id="collapseDescription_{{ schema.html_id }}">
                    {{ description }}
                </div>
                <div>
                    <a class="collapse-description-link collapsed" data-toggle="collapse"
                       href="#collapseDescription_{{ schema.html_id }}"
                       aria-expanded="false" aria-controls="collapseDescription{{ schema.html_id }}"
                    ></a>
                </div>
            {% endif %}
        </div>
    </div>
{% endif %}