# 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.

# accessibility.keyboardNavigation.focusBorder.style

Style options for the focus border drawn around elements while navigating through them. Note that some browsers in addition draw their own borders for focused elements. These automatic borders cannot be styled by Highcharts.

In styled mode, the border is given the `.highcharts-focus-border` class.