simple-icinga-dashboard/services_template.html

        <div class="row">
            <div class="col">
                <div class="card text-white border-primary mb-3">
                    {card_header}
                    <div class="card-body">
                        <ul class="list-group">{services}</ul>
                    </div>
                </div>
            </div>
        </div>