110-button-color
btn btn-secondary
111-button-size
btn btn-secondary btn-sm
112-active-disable-class
btn btn-secondary btn-sm disabled
113-block-button
btn btn-primary btn-block
114-group-button
btn-group
Bootstrap Button Group Classes
115-size-group-button
btn-group btn-group-lg
Bootstrap Button Group Classes
116-group-button-vertical
btn-group-vertical
Bootstrap Button Group Classes
117-button-toolbar
btn-toolbar & btn-group me-3
118-icon-menu
mt-3 mb-5 text-center
119-nesting-buttons
mt-3 mb-5 text-center