[Plugin: TheThe Marquee] Can't center text

I can’t seem to figure out how to get “text-align: center” to center my marquee. I’ve tried a lot of things, so I doubt I’m the only one with this problem. The marquee is on all pages below my slideshow here: https://www.vgreboot.com/ . I think that centering the text should be an in-built option in the future.

https://www.ads-software.com/extend/plugins/thethe-marquee/