<div class="dropdown bottom-right open">
    <a class="dropdown-toggle btn btn-primary" type="button" href="javascript://">
        Dropdown
    </a>
    <div class="dropdown-menu">
        <h4 class="dropdown-header">Dropdown header</h4>
        <button class="dropdown-item active">First Action</button>
        <button class="dropdown-item disabled">Disabled Action</button>
        <div class="dropdown-divider"></div>
        <button class="dropdown-item">Link 1</button>
        <button class="dropdown-item">Link 2</button>
    </div>
</div>