ent">
                      <div class="modal-header">
                        <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
                        <h4 class="modal-title" id="-graph-help-label">Graph Key</h4>
                      </div>
                      <div class="modal-body">
                        
    <p>Nodes of different colours represent the following: </p>
    <?xml version="1.0" encoding="UTF-8" standalone="no"?