Our detectives are back with the following intel on this WordPress site
The site is using the Cube Theme 7 - Lisa theme .
We could identify 2 plugins (there might be more) -
WordPress Share Buttons Plugin – AddThis
This information was last updated 29 July, 2017
Now compatible with the AMP Plugin! Free Share Buttons from AddThis. Share to Messenger, WhatsApp, Facebook, Twitter, Pinterest and many more.