Welcome to the Highcharts JS (highcharts) Options Reference

These pages outline the chart configuration options, and the methods and properties of Highcharts objects.

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Additional CSS styles to apply inline to the container div and the root SVG.

Since v11, the root font size is 1rem by default, and all child element are given a relative em font size by default. This allows implementers to control all the chart's font sizes by only setting the root level.