{% load widget_tweaks %}

<div class="form-group">
  <label for="{{ field.id_for_label }}" class="col-sm-2 control-label">{{ field.label }}</label>
  <div class="col-sm-10">
    {{ field|add_class:'form-control' }}
    {% if field.errors %}
    <span class="help-block">{{field.errors}}</span>
    {% endif %}
    {% if field.help_text %}
    <span class="help-block">{{field.help_text}}</span>
    {% endif %}
  </div>
</div>