Basic. primary, secondary, success, danger, warning, info, light and dark. By default will render with the secondary variant. Keywords : buttons, bootstrap, bootstrap buttons, bootstrap outline buttons, bootstrap outline buttons example, bootstrap button styles, bootstrap button classes, bootstrap button color, bootstrap examples This example has both Bootstrap and className: 'btn-primary' in both the Export and PDF definitions. Using one of the default modifier classes will change the color of the text and background color of your buttons. Bootstrap’s .button styles can be applied to other elements, such as