#1. Add Font Awesome To Divi The first step is to make sure you have Font Awesome integrated into your website. Font Awesome is an icon web font, and has a huge selection of free and paid icons that you can use. #2. Add An Icon You Don’t Want First

styles.css

Facebook
.et-social-facebook a.icon:before {
	content: "\xxxx";
	font-family: "Font Awesome 5 Brands"!important;
}
Twitter
.et-social-twitter a.icon:before {
	content: "\xxxx";
	font-family: "Font Awesome 5 Brands"!important;
}
Google+
.et-social-google-plus a.icon:before {
	content: "\xxxx";
	font-family: "Font Awesome 5 Brands"!important;
}
Pinterest
.et-social-pinterest a.icon:before {
	content: "\xxxx";
	font-family: "Font Awesome 5 Brands"!important;
}
LinkedIn
.et-social-linkedin a.icon:before {
	content: "\xxxx";
	font-family: "Font Awesome 5 Brands"!important;
}
Tumblr
.et-social-tumblr a.icon:before {
	content: "\xxxx";
	font-family: "Font Awesome 5 Brands"!important;
}
Instagram
.et-social-instagram a.icon:before {
	content: "\xxxx";
	font-family: "Font Awesome 5 Brands"!important;
}
Skype
.et-social-skype a.icon:before {
	content: "\xxxx";
	font-family: "Font Awesome 5 Brands"!important;
}
Flickr
.et-social-flikr a.icon:before {
	content: "\xxxx";
	font-family: "Font Awesome 5 Brands"!important;
}
MySpace
.et-social-myspace a.icon:before {
	content: "\xxxx";
	font-family: "Font Awesome 5 Brands"!important;
}
Dribbble
.et-social-dribbble a.icon:before {
	content: "\xxxx";
	font-family: "Font Awesome 5 Brands"!important;
}
YouTube
.et-social-youtube a.icon:before {
	content: "\xxxx";
	font-family: "Font Awesome 5 Brands"!important;
}
Vimeo
.et-social-vimeo a.icon:before {
	content: "\xxxx";
	font-family: "Font Awesome 5 Brands"!important;
}
RSS
.et-social-rss a.icon:before {
	content: "\xxxx";
	font-family: "Font Awesome 5 Brands"!important;
}