mybuddy/dashboard/templates/cards/base.html

{% if not empty or not hide_empty %}
    <div class="card card-dashboard card-{{ type }}">
        <div class="card-header">
            <i class="icon-{{ type }} pull-left" aria-hidden="true"></i>
            {% block header %}{% endblock %}
        </div>
        <div class="card-body">
            <span class="card-title"><strong>
                {% block title %}{% endblock %}
            </strong></span>
            <div class="card-text">
                {% block content %}{% endblock %}
            </div>
        </div>
        {% block listgroup %}{% endblock %}
    </div>
{% endif %}