These are the family font icon sets included in the theme however you can add as many other icons you want or even remove some of them.
FONT FAMILY Glyphicons Halflings
FONT FAMILY Social Icons
YOUR SUPPORT MAKES A DIFFERENCE
We are a small non-profit with a big mission. The ongoing support of individuals, like you, makes it possible for Drones for Humanity to continue its core work of deploying, testing and scaling the impact of humanitarian organizations in the country especially on disaster response and risk reduction.