backgroundColor: String

Sets the background color of the Inputfields. Values of backgroundColor can be specified in “HTML Color Name”, “hex code” or “rgba values”

Default: “white”
Examples: “blue”, “#a0beec”, … 
var stockChart = new CanvasJS.StockChart("container",
{
 .
 .
rangeSelector: {
  inputFields: {
    style: {
      backgroundColor: "#d8d8d8",
      .
      .
    }
  }
},
 .
 .
});
stockChart.render();
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