<div class="form-group {% if field.errors %}has-error{% endif %}">
  {% if field.label %}
    <label class="sr-only">
      {{ field.label }}
    </label>
  {% endif %}

  <input name="{{ field.name }}" {% if style.input_type != "file" %}class="form-control"{% endif %} type="{{ style.input_type }}" {% if style.placeholder %}placeholder="{{ style.placeholder }}"{% endif %} {% if field.value is not None %}value="{{ field.value }}"{% endif %} {% if style.autofocus and style.input_type != "hidden" %}autofocus{% endif %}>
</div>