<form id=“search-form”>

<div class="input-group">
  <input type="text" name="q" class="form-control" placeholder="Search for...">
  <span class="input-group-btn">
    <button class="btn btn-default" type="submit" data-toggle="modal" data-target="#search-results"><i class="fa fa-search"></i></button>
  </span>
</div>

</form>

<div class=“modal fade” id=“search-results”>

<div class="modal-dialog modal-lg">
        <div class="modal-content">
                <div class="modal-header">
                        <button type="button" class="close" data-dismiss="modal" aria-hidden="true">&times;</button>
                        <h4 class="modal-title">Search powered by Google CSE</h4>
                </div>
                <div class="modal-body">
                        <form id="search-modal">
                                <div class="form-group">
                                        <div class="input-group">
                                      <input type="text" name="q" class="form-control" placeholder="Search for...">
                                      <span class="input-group-btn">
                                        <button class="btn btn-default" type="submit"><i class="fa fa-search"></i></button>
                                      </span>
                                    </div>
                                </div>
                        </form>
                        <div id="search-box">
                                <p class="text-muted text-right sr-benchmark"><!-- ajax --></p>
                                <div class="list-group sr-results"><!-- ajax --></div>
                                <nav class="text-center sr-pages">
                                        <ul class="pagination"><!-- ajax --></ul>
                                </nav>
                        </div>
                </div>
        </div>
</div>

</div>