dynamically populating rows and columns of bootstrap in django template

dynamic rows loading

     <div class="container">
            {%  for project in projects  %}
                {% if forloop.counter0|divisibleby:3 %} <div class="row text-center"> {%  endif %}
                  <div class="col-md-4" onclick="window.location.href='{%  url 'club:robotics_detail' project.id %}'" style="cursor: pointer">
                      <div class="card">
                          <img src="http://placehold.it/300X150" alt="">
                          <div class="card-content">
                              <br>
                              <h4>Project {{ forloop.counter }}</h4>
                              <hr>
                               <h3>{{ project.project_name }}</h3>
                               <p>{{ project.project_summary }}</p>
                              <br>

                          </div><!-- card content -->
                      </div><!-- card -->
                  </div><!-- col-md-4 -->
            {%  if forloop.counter|divisibleby:3 or forloop.last %}</div><!-- row closing --><hr>{%  endif %}
            {%  endfor %}
         </div><!-- container -->