Docs Theme
It is possible to change the look of the calendar (colors, fonts, etc) by applying a theme.
themeSystem
Renders the calendar with a given theme system.
Bootstrap 5 Theming
In order to correctly theme your calendar with a Bootstrap 5 theme, you must include the correct stylesheets, include the JavaScript plugin, and set themeSystem to 'bootstrap5'.
Bootstrap 4 Theming
In order to correctly theme your calendar with a Bootstrap 4 theme, you must include the correct stylesheets, include the JavaScript plugin, and set themeSystem to 'bootstrap'.
bootstrapFontAwesome
Determines which icons are displayed in buttons of the headerToolbar/footerToolbar when Bootstrap 4 theming is on.
This setting does not apply to Bootstrap 5 theming. Use buttonIcons instead.
Demo:
Bootstrap 5 theme