I’ve been checking your website previously and i found this error https://www.dropbox.com/s/nd9mkv6i4rvfbcz/Screenshot%20from%202018-10-10%2011-39-51.png?dl=0. according to the error, you need to use SSL on your website.
For the CSS code, it according to contact us page that showing sharing plugin.
For the social counter plugin, Can you please provide us with login access to your website? You can send it here and don’t forget to check Set as private reply option below.