{% macro render_field(field) %}
    <div class="form-group">
        <div class="form-label">{{ field.label }}</div>
        <div class="form-body">
            {{ field(**kwargs)|safe }}
        </div>

        {% if field.errors %}
        <ul class="warning">
            {% for error in field.errors %}
            <li>{{ error }}</li>
            {% endfor %}
        </ul>
        {% endif %}
    </div>
{% endmacro %}

<form method=post action='/register'>
    {{ form.csrf_token }}
    <dl>
        {{ render_field(form.name) }}
        {{ render_field(form.email) }}
        {{ render_field(form.password) }}
        {{ render_field(form.confirm) }}
    </dl>
    <p><input type=submit value=Register>
</form>