Use Bootstrap’s custom button styles for actions in forms, dialogs, and more with support for multiple sizes, states, and more.
use .disabled
in class .btn
class to get Disabled button
use .btn-lg
in class .btn
class to get Large button
use .btn-sm
in class .btn
class to get Small button
use .btn-group-lg
in class .btn-group
class to get Large size button group