title: How can I change the color of text with a CSS transition?
body: <p>I have some text:</p>
  <pre><code>&lt;span class='my-class'&gt;Some text&lt;/span&gt;
  </code></pre>
  <p>I want the text to start out green then (in 10 seconds), turn to blue. I don't want it to trigger on a hover or anything, but rather as soon as the element with the class exists.</p>