<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>