                      <span class="tooltiptext tooltip-bottom">Tree Topology</span>
                    </button>
                    <button class="netselect tooltip" id="snakeTopo">
                        <i class="fa fa-link"></i>
                        <span class="tooltiptext tooltip-bottom">Snake Topology</span>
                    </button>
                    <button class="netselect tooltip" id="geographicTopo">
                        <i class="fa fa-map"></i>
                        <span class