ss="tooltiptext tooltip-bottom">Focus Node</span>
                </button>

                <div class="icon-bar icon-bar-center top overlay">
                    <button class="netselect tooltip active" id="peerTopo">
                        <i class="fa fa-plug"></i>
                        <span class="tooltiptext tooltip-bottom">Peer Topology</span>
                    </button>
                    <button class="netselect tooltip" id="treeTopo">
                        <i class="fa fa-sitemap"></i>
  