Bootstrap 4
Copyright © 2011-2018 Twitter, Inc. & The Bootstrap Authors
https://getbootstrap.com/
Bootstrap Lightbox
Copyright © 2011-2015 by ashleydw
https://github.com/ashleydw/lightbox
FontAwesome Icons
Copyright © 2018 by Fonticons, Inc.
https://fontawesome.com/
Rice Ball Smileys
Copyright © 2013 by David Lanham
http://dlanham.com/