Bug login in blog or shop

The bug occurs when logging into the site; the login button simply doesn't do anything. Clients are reporting this.

I've tested it in five browsers and the issue persists.
https://starcitizenbuy.ru/novosti/starcitizenbuy/den-rozhdenie-star-citizen-buy

Your admin and FTP login details haven't changed, you can log in.

I'm really asking for help. It's our birthday today, but people can't access their accounts.

Replies are visible only to logged in members with an active subscription.