full page

Hello all,

I can’t get my website on a full page. i have tried a few things in ccs and content but nothing has the result i want 🙁

where can i set the page on full width or at least center it.

http://hetwaregenieten.nl/ as you can see my website is on lift dife and only half of the page.

Thanks!

https://ww.wp.xz.cn/plugins/question-and-answer-forum/