# 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.

# navigator.xAxis.grid.cellHeight

Set cell height for grid axis labels. By default this is calculated from font size. This option only applies to horizontal axes. For vertical axes, check the #yAxis.staticScale option.