1. Drop in the "Icons Enabler" stack to the top of your page
2. Drop in the the "Icons" Stack and select the Font Family to use.
3. Select the Icon to use and change the size, colour, link and hover animation.
References for the fonts to use to type in the Icon field within the stack can be found on weloveiconfonts.com (click on the icon you want to use to get the reference).