Action + Dropdown

Expand dropdown menu.

<div class="dropdown-container">
  <a class="action" href="#">Comment</a>
  <input id="[id_name]" type="checkbox">
  <label for="[id_name]"></label>
  <div class="dropdown">
    <a class="item" href="#foo">
      <h6>Foo Note</h6>
      <span>This is a ...</span>
    </a>
    ...
  </div>
</div>