Full width section on website

Hi guys,

I want to put a specific page from my website to run as a full width page.
For eg. (my webiste is http://www.iasivezi.com ) ball pages are normal, but when i choose to acces “POZA ZILEI” from top menu i would like that every post that is marked with “poza zilei” as a category to be a full width page.

Thanks all in advance