<li> <a href="/OWU/{{ link }}" rel="nofollow" target="_blank"> <span> {% if excel is defined and excel == true %} <img class="mb-2 mr-2" alt="pobierz xls" src="/img/excel.png"> {% else %} <img class="mb-2 mr-2" alt="pobierz pdf" src="/img/pdf.png" /> {% endif %} </span> {{ name }} </a></li>