title: Display text in button vertically
body: <p>I have a button in my page. How do I display the button text vertically?</p>
  
  <pre><code>&lt;div id="btn-toggle-menu"&gt;Menu&lt;/div&gt;
  #btn-toggle-menu {
     position: fixed;
     top: 0;
     left: 0;
     width: 20px;
     line-height: 30px;
     cursor: pointer;
     border: 1px solid #333;
     background-color: #ccc;
     text-align: center;
  } 
  </code></pre>
  
  <p><a href="http://jsfiddle.net/FWzAS/3/" rel="nofollow">DEMO</a>
  I want the "Menu" displayed like this: </p>
  
  <pre><br>M<br/>e<br/>n<br/>u </pre>