# 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.

# series.xrange.tooltip.header.distance

Distance between the plot area and the header (except the chevron) in a split tooltip, in pixels. The default value makes the header text align with the axis labels.