Drop Button

<button data-dropdown="drop" aria-controls="drop" aria-expanded="false" class="large alert round button dropdown">Dropdown Button</button><br>
<ul id="drop" data-dropdown-content class="f-dropdown" role="menu" aria-hidden="false" tabindex="-1">
  <li><a href="#">This is a link</a></li>
  <li><a href="#">This is another</a></li>
  <li><a href="#">Yet another</a></li>
</ul>

<!-- Radius Button Group -->
<ul class="button-group radius">
  <li><a href="#" class="button">Button 1</a></li>
  <li><a href="#" class="button">Button 2</a></li>
  <li><a href="#" class="button">Button 3</a></li>
  <li><a href="#" class="button">Button 4</a></li>
</ul>
<!-- Rounded Button Group -->
<ul class="button-group round">
  <li><a href="#" class="button">Button 1</a></li>
  <li><a href="#" class="button">Button 2</a></li>
  <li><a href="#" class="button">Button 3</a></li>
  <li><a href="#" class="button">Button 4</a></li>
</ul>
<!-- Stak button-->
<ul class="stack button-group">
  <li><a href="#" class="button">Button 1</a></li>
  <li><a href="#" class="button">Button 2</a></li>
</ul>
<ul class="stack-for-small round secondary button-group">
  <li><a href="#" class="button">Button 1</a></li>
  <li><a href="#" class="button">Button 2</a></li>
</ul>
<!-- bar button-->
<div class="button-bar">
  <ul class="button-group">
    <li><a href="#" class="small button">Button 1</a></li>
    <li><a href="#" class="small button">Button 2</a></li>
    <li><a href="#" class="small button">Button 3</a></li>
  </ul>
  <ul class="button-group">
    <li><a href="#" class="small button">Button 1</a></li>
    <li><a href="#" class="small button">Button 2</a></li>
    <li><a href="#" class="small button">Button 3</a></li>
  </ul>
</div>
<!-- You can mix styles in a button bar if you want. -->
<div class="button-bar">
  <ul class="button-group round">
    <li><a href="#" class="small button secondary">Button 1</a></li>
    <li><a href="#" class="small button secondary">Button 2</a></li>
    <li><a href="#" class="small button secondary">Button 3</a></li>
  </ul>
  <ul class="button-group radius">
    <li><a href="#" class="small button success">Button 1</a></li>
    <li><a href="#" class="small button success">Button 2</a></li>
    <li><a href="#" class="small button success">Button 3</a></li>
  </ul>
</div>