title: vertically align fontawesome icon to the middle of a textarea
body: <p>I am using skeleton css framework, I want to vertically align my fontawesome icon to the right of a textarea, but it seems the common "vertical-align:middle; display: table-cell;" doesn't work. I also want when the textarea resizes, the icon still aligns in the middle, without hard code a height inside the style, is it possible?</p>
  
  <p><div class="snippet" data-lang="js" data-hide="false">
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  <pre class="snippet-code-html lang-html prettyprint-override"><code>&lt;link href="https://cdnjs.cloudflare.com/ajax/libs/skeleton/2.0.4/skeleton.css" rel="stylesheet"/&gt;
  &lt;link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/font-awesome/4.3.0/css/font-awesome.min.css"&gt;
  
  
  &lt;style type="text/css"&gt;
  .icon {
  margin-left: 1em;
  vertical-align: middle;
  display: table-cell;
  }
  &lt;/style&gt;
  
  &lt;div class="row"&gt;
    &lt;div class="six columns"&gt;
      &lt;label for="inputA"&gt;labelA&lt;/label&gt;
      &lt;textarea class="u-full-width" id="inputA" type="text"&gt;&lt;/textarea&gt;
    &lt;/div&gt;
    &lt;div class="one colum"&gt;  
      &lt;span class="icon"&gt; &lt;i class="fa fa-check-circle"&gt;&lt;/i&gt; &lt;/span&gt;
    &lt;/div&gt;
  &lt;/div&gt;</code></pre>
  </div>
  </div>
  </p>