make the website wider?

ok, so I’m getting there on the look/feel on the site. On the home page we want one column with no side columns at all. but when I switch to that it makes it very skinny. I want it to look like this:

https://whatyouname.com/sports/

from a width perspective. But it looks like this:

https://ckstrengthacademy.com/

advice?