Call-to-action buttons aren't working on mobile

Hi Athemes,
I am having a problem with the call-to-action buttons on homepage on mobile. I have to double click them. Can you help?
Thank you!!

Hello Nicki,

I’ve just tried to check your website but all I saw was error 509 Bandwidth Limit Exceeded. Please check it and leave here a note when your website is live.

Kind Regards, Roman.