CANT ACCES LOGIN ,THE SITE IS APEARING AWKWARD

MY LOGIN ACCES IS NOT WORKING
http://hotelsdocklandslondon.info/blog/wp-admin/
myblog was fine now i cant log in to admin i enetrtied to log in using :
http://www.dyerwrites.com/wp-login.php and the login username fails.
i tried http://www.hotelsdocklandslondon.info/wp-login.php?loggedout=true
and i get; The requested URL /wp-login.php was not found on this server.
Additionally, a 404 Not Found error was encountered while trying to use an ErrorDocument to handle the request.

when i clik on the bolg link
http://hotelsdocklandslondon.info/blog/
the apreance is awkward,

and i get this massage:

Ooops…Where did you get such a link ?

Server cannot locate what you are looking for !

The Server tried all of its options before returning this page to you.

404You are looking for something that is not here now.
You can always try doing a search or browsing through the Archives.
Don’t loose your hope just yet.

Posted as Not Found

please help as i do not know what has went wrong , i did not make any changes in wordpress , this happend