Button dropdowns work with buttons of all sizes, including default and split dropdown buttons.
Dropup Variation
Trigger dropdown menus above elements by adding .dropup to the parent element.
Dropdown Menu
You can optionally use button elements for your dropdowns items.
Add .dropdown-menu-right to a .dropdown-menu to right align the dropdown menu.
Add a header to label sections of actions in any dropdown menu.
Separate groups of related menu items with a divider.
Add .disabled to items in the dropdown to style them as disabled.