<!-- Single button using append-to-body -->
<!--<div class="btn-group" dropdown dropdown-append-to-body>
  <button id="btn-append-to-body" type="button" class="btn btn-primary" dropdown-toggle>
    Dropdown on Body <span class="caret"></span>
  </button>
  <ul class="dropdown-menu" role="menu" aria-labelledby="btn-append-to-body">
    <li role="menuitem"><a class="dropdown-item" href="#">Action</a></li>
    <li role="menuitem"><a class="dropdown-item" href="#">Another action</a></li>
    <li role="menuitem"