You can change the theme using Theme property.

JavaScript

gantt.theme = "gantt_custom";

Default Theme

Default theme name "gantt_default". It is built in - there is no need to include a special stylesheet.

Theme Designer

You can create your own theme using the online Gantt Chart theme designer.

Theme Structure

See the list of CSS classes used in Gantt theme.

Availability

Availability of this feature in DayPilot editions:

LitePro
DayPilot for JavaScript
DayPilot for ASP.NET WebForms
DayPilot for ASP.NET MVC
DayPilot for Java