highcharts-export-server/samples/resources/options_global.json

Convert Highcharts.JS charts into static image files.

{
  "chart": {
    "borderWidth": 2,
    "plotBackgroundColor": "rgba(255, 61, 61, .9)",
    "plotShadow": true,
    "plotBorderWidth": 1
  },
  "subtitle": {
    "text": "Global options subtitle"
  }
}