grav-theme-libretic/templates/modular/bottom.html.twig

<div class="modular-row bottom {{ page.header.class }}">
    {{ content }}
    {% for button in page.header.buttons %}
        <a class="button{% if button.primary %} primary{% endif %}" href="{{ button.url }}">{{ button.text }}</a>
    {% endfor %}
    {% if page.header.class == 'borderbottom' %}
    <hr>
    {% endif %}
</div>