Licences

Open Sans

Copyright © 2010 Steve Matteson.
Licenced under the Apache Licence, Version 2.0. A copy of this licence can be obtained at: http://www.apache.org/licenses/LICENSE-2.0

Font Awesome

Font Awesome Free is free, open source, and GPL friendly Licenced under the SIL Open Font Licence, Version 1.1.
Full Font Awesome Free licence: https://fontawesome.com/license/free

AOS

Copyright © 2015 Michał Sajnóg.
Licenced under the MIT Licence. A copy of this licence can be obtained at: https://opensource.org/licenses/MIT