Prediction Sheet align center

Hi. It is possible to align the prediction sheet to center of my page?
I used text-align: center; in my body style but this don’t working 🙁
You can search all on http://www.gol.pl
I create user for you so u can check that please 🙂
Login test123
pass: test123

Regards
Kamil

https://ww.wp.xz.cn/plugins/football-pool/