Joomla! Template ST Mikon - Item Support

How do I add the icon fa-fa-chevron-down link with a "# sp-about-wrapper" in the third slide added to my site? I get only the first two as on your demo.
Thank you!
Item Name:
ST Mikon
Author:
Downloads:
37
Created:
2015-02-23
Updated:
2015-03-14
Item Version:
2.0.0
$35.00
Regular License
This item may be used for a single domain only.
$49.00
Extended License