wordpress dashboard menu hover not working

Hello there,

I hope your are doing well,

Please, could you help me, my menu items in dashboard do not “open” when mouse over them.

Also, the Screen Options and Help buttons unclickable.

And the block of the home missing.

See the screenshot:

https://drive.google.com/file/d/13G0Z9CXFBUQ4zMwfTniRUCSwyRyd4xhv/view?usp=sharing

Best regards.

The page I need help with: [log in to see the link]