Answers.Body: <p>You need to include the following line in your content.opf file:</p>
  
  <pre><code>&lt;meta property="media:active-class"&gt;-epub-media-overlay-active&lt;/meta&gt;
  </code></pre>
  
  <p>Further information and examples can be found on the <a href="http://www.idpf.org/epub/30/spec/epub30-mediaoverlays.html#sec-docs-assoc-style" rel="nofollow">IDPF's site</a>.</p>
  
Answers.ContentLicense: CC BY-SA 3.0
Answers.CreationDate: 2015-05-07T03:17:44.030Z
Answers.LastActivityDate: 2015-05-07T03:17:44.030Z
Answers.UserDisplayName: Tom
Body: <p>My fixed-layout read-along book is validated finally.  I tested it on the Ipad.  Everything looks fine,  The audio is working fine.  However, there is no word highlighting.  I put this code in the CSS file and the content.opf file.  </p>
  
  <pre><code>.-epub-media-overlay-active {
  color: #f09aec;
  }
  </code></pre>
  
  <p>What else do I need to do?</p>
  
Tags: <epub><fixed-layout>
Title: Epub read-along, Highlighting is not working
UserDisplayName: Janis Friesler
ThreadText: # Epub read-along, Highlighting is not working
  
  (Asked by: username_0 on 2015-05-04)
  
  My fixed-layout read-along book is validated finally.  I tested it on the Ipad.  Everything looks fine,  The audio is working fine.  However, there is no word highlighting.  I put this code in the CSS file and the content.opf file.  
  .-epub-media-overlay-active {
  color: #f09aec;
  }
  
  What else do I need to do?
  
  **Tags:** epub, fixed-layout
  
  
  ---
  
  ## 1 answers
  
  ### Answer by username_1 on 2015-05-07. Score: 2
  
  You need to include the following line in your content.opf file:
  -epub-media-overlay-active
  
  Further information and examples can be found on the IDPF's site.
  
  
  ---
  
  