Theming ======= FullCalendar can be used with jQuery UI themes. Themes provide a more stylized look for the calendar and can easily be created using the jQuery UI ThemeRoller. In order for themes to work, you must include the theme's CSS file AND fullcalendar.css on the current page. You must also enable the ``theme`` option. Here is the full list of theme-related options: theme: Boolean (default: false) Enables/disables use of jQuery UI themes buttonIcons: Object Determines which icons appear within header buttons. If a button does not have an entry, it falls back to using buttonText. Here is the default value for buttonIcons: { prev: 'circle-triangle-w', next: 'circle-triangle-e' }