# 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.styledMode

Whether to apply styled mode. When in styled mode, no presentational attributes or CSS are applied to the chart SVG. Instead, CSS rules are required to style the chart. The default style sheet is available from `https://code.highcharts.com/css/highcharts.css`.

Read more in the docs on what classes and variables are available.