Carter
A Divi Child ThemeSocial Media Link set up header & footer
To add the Facebook, Twitter and Google plus, you can add your links but going to the Divi Options panel on your WordPress side bar :
Divi >> Theme Options
We have customised the header and you will need to add your links by going to:
Appearance >> Editor >> Social Icons
Scroll down the editor until you see the code as in in image. Place your links for Pinterest and Instagram as shown and where the ‘#’ is.