{# Messages flask (flash) #} <div class="container flashes"> {% with messages = get_flashed_messages(with_categories=true) %} {% for category, message in messages %} <div class="alert alert-info alert-{{ category }}" role="alert">{{ message }}</div> {% endfor %} {% endwith %} </div> <script> setTimeout(function() { var flashes = document.getElementsByClassName("flashes")[0]; if (flashes) { flashes.style.display = "none"; } }, 5000); </script>