CSS Progress Bar Error

Question

I have been trying to display this CSS code correctly in jsFiddle, but does not seem to be working. I have tried to modify the code with no success.

Original Code

jsFiddle

Answer 1

You must compile it:

<h1>Sexy CSS Loader</h1><div class="bubbles"><span></span><span id="bubble2"></span><span id="bubble3"></span></div>

Look on this: jsFiddle