Can't log in to the Dashboard

I’m having problems logging into the Dashboard for my blog at https://www.flightsandfrustration.com

As you might be able to see, at the moment the layout is all wrong as well.

When I try to login I received the message on the internet tab of “Nothing found for WordPress-Wp-login Php.

My IT knowledge is very basic. Does anyone have any ideas please as to why my login does not work.

I’ve attempted this for 3 days now and my user id and password have not changed.

Any help is appreciated. Thanks.