In the Social Footer, these icons are automatically inserted when you use any URL from the following websites:

Icon	Website
	digg.com
	dribbble.com
	codepen.io
	facebook.com
	flickr.com
	github.com
	instagram.com
	linkedin.com
	path.com
	pinterest.com
	plus.google.com
	pocket.com
	polldaddy.com
	reddit.com
	skype.com
	stumbleupon.com
	tumblr.com
	twitter.com
	vimeo.com
	WordPress.com, WordPress.org
	youtube.com