ttr("x", "-50%")
      .attr("y", "-50%")
      .attr("width", "200%")
      .attr("height", "200%");

    const glowStronger = defs.append("filter")
      .attr("id", "glowStronger")
      .attr("x", "-50%")
      .attr("y", "-50%")
      .attr("width", "200%")
      .attr("height", "200%");

    glow.append("feGaussianBlur")
      .attr("stdDeviation", "2")
      .attr("result", "coloredBlur");

    const feMerge = glow.append("feMerge");
    feMerge.append("feMergeNode").attr("in", "coloredBlur");
    fe