{% extends "base.html" %}
{% block content %}
    <div class="card"><div class="card-body">
    {{ bs4_form_start(form, novalidate=True) }}

    {% for field in form_visible_fields(form) %}
        {{ bs4_field_tag(field) }}
    {% endfor %}
        <button class="btn btn-primary">Submit</button>
    {{ bs4_form_end(form) }}
    </div></div>
{% endblock %}