{% ckan_extends %}
{% block search_facets %}
{% endblock %}

{% ckan_extends %}

  {% block search_sortby %}
    {% if sorting %}
      <div class="form-select form-group control-order-by">
        <label for="field-order-by">{{ _('Order by') }}</label>
        <select id="field-order-by" name="sort">
          {% for label, value in sorting %}
            {% if label and value %}
              <option value="{{ value }}"{% if sorting_selected == value %} selected="selected"{% endif %}>{{ label }}</option>
            {% endif %}
          {% endfor %}
        </select>
        {% block search_sortby_button %}
        <button class="btn js-hide" type="submit">{{ _('Go') }}</button>
        {% endblock %}
      </div>
    {% endif %}
  {% endblock %}

{% block search_facets %}
{% endblock %}

Extend search form and use BS3 class
Extend search form and use BS3 class
