Open church Project: Social Media Link (Add a social media link)

Hi everybdoy,

For the social media link (FB, twitter,…), How can I do to:

1/ Add a linkedin icon link

2/ For the others (FB, twitter,Google plus), how can I change the link so it take the user directly to my FB accompte for example

Thanks a lot

Drupal version: 


Source: https://www.drupal.org/taxonomy/term/22/feed