text: Highcharts.theme1 = {
     colors: ["#31adb4", "#585858"],
     chart: {
        backgroundColor: null,
     }
  };
  
  Highcharts.theme2 = {
     colors: ["#9d5a6e", "#585858"],
  
     chart: {
        backgroundColor: null,
     }
  };
  
  Highcharts.theme3 = {
     colors: ["#488ea8", "#585858"],
     chart: {
        backgroundColor: null,
     }
  };
  
  Highcharts.theme4 = {
        colors: ["#917491", "#585858"],
     chart: {
        backgroundColor: null,
     }
  };
  