Work page of fullwidth error

Fullwidth displays on published site, but cannot displays on wordpress work page. So, The page seems very bad. Please help me. Thanks

 

Do let us know your website link.

 

My web site link is: http://www.hazirsitetasarim.com

Thanks

 

I have seen your site and i think you are talking about page "hosting-paketleri". Its a default page.
You can edit it through that page too while logedin. Check image for reference.