brutaldon-interfaccia-web-minimale/brutaldon/templates/intercooler/fav.html

    {% if toot.favourited %}
    <span class="fa fa-heart has-text-warning">
        <strong class="is-hidden-mobile" >Favorited</strong>
        {% else %}
        <span class="fa fa-heart">
            <span class="is-hidden-mobile" >Favorite</span>
            {% endif %}
        </span>
    </span>