form_template.html

{% for field in form %}
    <div class="form-group">
        <div class="col-sm-10 col-sm-offset-2">
            <span class="text-danger small">
                {{ field.errors }}
            </span>
        </div>
        <label class="control-label col-sm-2">
            {{ field.label_tag }}
        </label>
        <div class="col-sm-10">{{ field }}</div>
    </div>
{% endfor %}