# Welcome to the Highcharts Gantt JS (gantt) Options Reference

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

Feel free to search this API through the search bar or the navigation tree in the sidebar.

# plotOptions.xrange.label.maxFontSize

For area-like series, allow the font size to vary so that small areas get a smaller font size. The default applies this effect to area-like series but not line-like series.