Hello,
Problem is caused by your code that you added by Yellow pencil plugin + margin-bottom for the header that you added in the header builder settings
1) http://prntscr.com/qbid3c
2) http://prntscr.com/qbiec8
3) http://prntscr.com/qbiggi
I have removed that code and margin and links work fine. Check now.
Regards