title: show the description when hover the image
body: <p>I have this HTML :</p>
  
  <pre><code>&lt;div class="left_area"&gt;
   &lt;div class="caption"&gt; 
     &lt;a href="&lt;?php echo $URL; ?&gt;"&gt;&lt;img src="&lt;?php echo $images; ?&gt;" alt="&lt;?php echo $name; ?&gt;" /&gt;&lt;/a&gt;
     &lt;span&gt;test&lt;/span&gt;&lt;/div&gt;
  &lt;/div&gt;
  </code></pre>
  
  <p>i want when i go over the image with the mouse to display whatever i want in that span, even an image of a but button or bold text. something like this <a href="http://www.bensoutlet.com/" rel="nofollow">EXAMPLE</a></p>
  
  <p>Thanks in advance!</p>