spothole/templates/cards/de_continent.html

<div class="card">
    <div class="card-body">
        <h5 class="card-title">DE Continent</h5>
        <div class="card-text spothole-card-text">
            <div>
                {% for c in options["continents"] %}
                <div class="form-check form-check-inline">
                    <input type="checkbox" class="form-check-input filter-button-de_continent storeable-checkbox"
                           id="filter-button-de_continent-{{ c }}" value="{{ c }}"
                           autocomplete="off" onClick="filtersUpdated()" checked>
                    <label class="form-check-label" for="filter-button-de_continent-{{ c }}">{{ c }}</label>
                </div>
                {% end %}
            </div>
            <div class="mt-1">
                <a href="#" onclick="toggleFilterButtons('de_continent', true); return false;">All</a> &nbsp;
                <a href="#" onclick="toggleFilterButtons('de_continent', false); return false;">None</a>
            </div>
        </div>
    </div>
</div>