.attr("style", "fill: rgb(232, 62, 140")




                // Here, we instantiate the simulation
        const simulation = d3.forceSimulation().nodes(graph.nodes)
                        .alpha(0.06)
            .alphaTarget(0.1);

                // When initiating the simulation, we center the nodes in the middle
                // following are all our conditions


        if (btn == 'init') {

        } else if (btn == 'port') {

            simulation
                .force('center', d3.forceCenter