You can add the below code next to your footer credits in Themeoptions- footer tab .
<div id="socialicons-footer"><ul class="social-list clearfix"><li><a class="facebook" href="#" target="_blank"><i class="icon-facebook5"></i></a></li><li><a class="twitter" href="#" target="_blank"><i class="icon-twitter5"></i></a></li><li><a class="youtube" href="#" target="_blank"><i class="icon-youtube"></i></a></li><li><a class="googleplus" href="#" target="_blank"><i class="icon-googleplus2"></i></a></li><li><a class="instagram" href="#" target="_blank"><i class="icon-instagram3"></i></a></li></ul></div>