--- /dev/null
+<div id="modalTopologyInfoButton" class="modal fade" tabindex="-1" role="dialog">
+ <div class="modal-dialog ">
+ <div class="modal-content">
+ <div class="modal-header">
+
+ <button type="button" class="close" data-dismiss="modal" aria-label="Close">
+ <span aria-hidden="true">×</span>
+ </button>
+ <h4 class="modal-title">Keyboard shortcuts</h4>
+ </div>
+ <div class="modal-body">
+ <ul>
+
+ <li>
+ <p>Create edge: Select the first vertex by clicking on it. <span class="help-key">Shift</span> + <span class="help-key">left-click</span> on another vertex (different than the selected one).</p>
+ </li>
+ <li>
+ <p> <span class="help-key">Delete</span> Delete selected nodes or link.</p>
+ </li>
+
+
+ {% block left_sidebar %}
+
+ {% endblock %}
+ </ul>
+ </div>
+ <div class="modal-footer">
+
+ </div>
+ </div>
+ <!-- /.modal-content -->
+ </div>
+ <!-- /.modal-dialog -->
+</div>
+<!-- /.modal -->
\ No newline at end of file