Customized dropdown menu

### Small dropdown

    <div class="dropdown">
        <a href="#" data-toggle="dropdown" class="btn btn-primary wn-icon-plus">Add small</a>

        <ul class="dropdown-menu" role="menu" data-dropdown-title="Add something small">
            <li role="presentation"><a role="menuitem" tabindex="-1" href="#" class="wn-icon-folder">Group</a></li>
            <li role="presentation"><a role="menuitem" tabindex="-1" href="#" class="wn-icon-copy">Page</a></li>
        </ul>
    </div>

### Drop "up"

Add the `dropup` class to the dropdown container and the dropdown will appear in an upward direction.

    <div class="dropdown dropup">
        ...
    </div>

### Large dropdown

    <div class="dropdown">
        <a href="#" data-toggle="dropdown" class="btn btn-primary wn-icon-plus">Add large</a>

        <ul class="dropdown-menu" role="menu" data-dropdown-title="Add something large">
            <li role="presentation"><a role="menuitem" tabindex="-1" href="#" class="wn-icon-folder">Group</a></li>
            <li role="presentation"><a role="menuitem" tabindex="-1" href="#" class="wn-icon-copy">Page</a></li>
            <li role="presentation"><a role="menuitem" tabindex="-1" href="#" class="wn-icon-briefcase">Briefcase</a></li>
            <li role="presentation"><a role="menuitem" tabindex="-1" href="#" class="wn-icon-link">Link</a></li>
            <li role="presentation"><a role="menuitem" tabindex="-1" href="#" class="wn-icon-tag">Tag</a></li>
            <li role="presentation"><a role="menuitem" tabindex="-1" href="#" class="wn-icon-search-minus">Zoom out</a></li>
            <li role="presentation"><a role="menuitem" tabindex="-1" href="#" class="wn-icon-briefcase">Briefcase</a></li>
            <li role="presentation"><a role="menuitem" tabindex="-1" href="#" class="wn-icon-link">Link</a></li>
            <li role="presentation"><a role="menuitem" tabindex="-1" href="#" class="wn-icon-tag">Tag</a></li>
            <li role="presentation"><a role="menuitem" tabindex="-1" href="#" class="wn-icon-search-minus">Zoom out</a></li>
            <li role="presentation"><a role="menuitem" tabindex="-1" href="#" class="wn-icon-briefcase">Briefcase</a></li>
            <li role="presentation"><a role="menuitem" tabindex="-1" href="#" class="wn-icon-link">Link</a></li>
            <li role="presentation"><a role="menuitem" tabindex="-1" href="#" class="wn-icon-tag">Tag</a></li>
            <li role="presentation"><a role="menuitem" tabindex="-1" href="#" class="wn-icon-search-minus">Zoom out</a></li>
        </ul>
    </div>
