You can reverse the dropdown so that it becomes a "dropup" menu. Be sure to use an appropriate type attribute on all inputs (e.g., email for email address or numberfor numerical information) to take advantage of newer input controls like email verification, number selection, and more. The .dropdown-divider class is used to separate links inside the dropdown menu with a thin horizontal border: The .dropdown-header class is used to add headers inside the dropdown menu: Highlight a specific dropdown item with the .active class (adds a blue background color). Wrap the dropdown’s toggle (your button or link) and the dropdown menu within .dropdown, or another element that declares position: relative;. The bootstrap Multiselect is a plugin component to select multiple options in the dropdown list. Keep reading for documentation … Bootstrap’s form controls expand on our Rebooted form styleswith classes. Along with the default possibilities for a select … Bootstrap Multilevel Dropdown. Here’s how you can put them to work with either