<div id="search" class="petluna-searchbox">
  <form action="{{ action }}" method="get">
    <div class="input-group">
      <input type="text" name="search" value="{{ search }}" placeholder="{{ text_search }}" class="form-control input-lg" />
      <span class="input-group-btn">
        <button type="submit" class="btn btn-warning btn-lg"><i class="fa fa-search"></i></button>
      </span>
    </div>
  </form>
</div>
