netbox-community-netbox/netbox/templates/inc/messages.html

<div id="django-messages" class="toast-container position-fixed bottom-0 end-0 m-3">
  {% if messages %}
    {% for message in messages %}
    <div class="django-message toast align-items-center border-0 bg-{% if message.tags %}{{ message.tags }}{% else %}info{% endif %}" role="alert" aria-live="assertive" aria-atomic="true" data-bs-delay="10000">
      <div class="d-flex">
        <div class="toast-body">
          {{ message }}
        </div>
        <button type="button" class="btn-close me-2 m-auto" data-bs-dismiss="toast" aria-label="Close"></button>
      </div>
    </div>
    {% endfor %}
  {% elif form and form.non_field_errors %}
    {% for error in form.non_field_errors.get_json_data %}
    <div class="django-message toast align-items-center border-0 bg-danger" role="alert" aria-live="assertive" aria-atomic="true" data-bs-delay="10000">
      <div class="d-flex">
        <div class="toast-body">
          {{ error.message }}
        </div>
        <button type="button" class="btn-close me-2 m-auto" data-bs-dismiss="toast" aria-label="Close"></button>
      </div>
    </div>
    {% endfor %}
  {% elif form and form.errors %}
    {% for field in form %}
      {% for error in field.errors %}
      <div class="django-message toast align-items-center border-0 bg-danger" role="alert" aria-live="assertive" aria-atomic="true" data-bs-delay="60000">
        <div class="toast-header bg-danger">
          <strong class="me-auto">{{ field.label }}</strong>
          <button type="button" class="btn-close me-2 m-auto" data-bs-dismiss="toast" aria-label="Close"></button>
        </div>
        <div class="toast-body">
          {{ error|escape }}
        </div>
      </div>
      {% endfor %}
    {% endfor %}
  {% endif %}
</div>