<div class="row flashes"> <div class="col-md-6"></div> <div class="col-md-6"> {% block flashes %} {% for message in app.flashes('success') %} <div class="alert alert-success"> {{ message }} </div> {% endfor %} {% for message in app.flashes('error') %} <div class="alert alert-danger"> {{ message }} </div> {% endfor %} {% for message in app.flashes('info') %} <div class="alert alert-info"> {{ message }} </div> {% endfor %} {% for message in app.flashes('warning') %} <div class="alert alert-warning"> {{ message }} </div> {% endfor %} {% endblock %} </div></div>