Its easily extensible and, with the help of our collapse plugin, it can easily integrate offscreen content. The .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). The first one has a dropdown menu with a This is achieved with a simple form based upload scenario. The .dropdown class specifies a dropdown menu. For more information refer to Popper.js's, Allow Dropdown to flip in case of an overlapping on the reference element. Dropdowns can be triggered from or