<div class="dropdown open">
    <a href="javascript://" class="dropdown-toggle">Dropdown Toggle</a>
    <div class="dropdown-menu">
        <h4 class="dropdown-header">Dropdown header</h4>
        <a class="dropdown-item" href="javascript://">Lorem.</a>
        <a class="dropdown-item" href="javascript://">Lorem ipsum.</a>
        <a class="dropdown-item" href="javascript://">Lorem ipsum dolor.</a>
        <div class="dropdown-divider"></div>
        <a class="dropdown-item" href="javascript://">Link</a>
    </div>
</div>