<div class="card card-tummytime border-success mb-3">
    <div class="card-header text-white bg-success h4">
        <i class="icon icon-tummytime pull-left" aria-hidden="true"></i>
        {% block header %}{% endblock %}
    </div>
    <div class="card-body text-success">
        <span class="card-title h4"><strong>{% block title %}{% endblock %}</strong></span>
        <div class="card-text text-muted">{% block content %}{% endblock %}</div>
    </div>
    {% block listgroup %}{% endblock %}
</div>