basic dropdown-menu style-clean
dropdown-menu style-clean stretch-to-fill
dropdown-menu style-pills stretch-to-fill
dropdown-menu style-bordered
dropdown-menu style-bordered2
dropdown-menu style-underlined
dropdown-menu style-underlined2
dropdown-menu style-overline
vertical dropdown-menu style-clean
vertical dropdown-menu style-pills
vertical dropdown-menu style-contained
off-canvas left
off-canvas fullwidth
off-canvas simple toggle
off-canvas toggle with-border
navigable style-clean
navigable style-pills
navigable style-contained
collapsible style-clean
collapsible style-pills
collapsible style-contained
expanded style-clean
expanded style-pills
expanded style-contained