Sharing icons on single page don't show up

Hello,
I’ve posted a comment on your theme’s demo but I think here is more the place to ask.
As you can see in your melos’s single page, the sharing icons below the content don’t show up. How can we fix that and make them appear?
Thx for your help

Here is the simple page I’ve talked about: https://demo.thinkupthemes.com/melos-pro/2014/04/22/video-post/