Facebook icon is not visible

Hello,
Hope you are doing well.

I have an website of [link removed]. The facebook icon is not visible here.
I tried my best to fix it. But, it is not solved by me.
Thanks.

Hi,

Thank you for contacting us. I am happy to help with your queries.

As checked, seems likely your website is not running Airi WordPress theme needing help with. Is that correct? Or, have you switched to another theme?

Regards,
Kharis
aThemes Support