# 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.

# chart.plotShadow

Whether to apply a drop shadow to the plot area. Requires that plotBackgroundColor be set. The shadow can be an object configuration containing `color`, `offsetX`, `offsetY`, `opacity` and `width`.