<div class="position-absolute top-0 w-100"> {% for message in app.flashes('success') %} <div class="alert alert-success text-center " > <button type="button" class="alert-close" onclick="this.closest('div').style.display='none'">×</button> {{ message }} </div> {% endfor %} {% for message in app.flashes('danger') %} <div class="alert alert-danger text-center "> <button type="button" class="alert-close" onclick="this.closest('div').style.display='none'">×</button> {{ message }} </div> {% endfor %}</div>