y'));
      // legendCon
      //   .append('text')
      //   .text('toggle on/off the curve or scroll on the curves to change the date range')
      //   .attr('y', legendY - 20);

      // var firstLegend = d3.select(".c3-legend-item");
      // var legendCon = d3.select(firstLegend.node().parentNode);
      // var legendY = parseInt(firstLegend.select('text').attr('y'));
      // legendCon
      //   .append('text')
      //   .text('toggle on/off the curve or scroll on the curves to change the date ran