Hi,
Thanks for contacting us here.
We cannot check your site as it has blocked our country https://ibb.co/PrdLD2j. Anyway, Regarding the font awesome icon please try and upload WP Font Awesome plugin. https://wordpress.org/plugins/wp-font-awesome/. Please go to Dashboard -> Plugins -> Add New. Search for “WP Font Awesome” install, activate and then
check your site.
If the issue persist please let us know.
Thanks