Getting history item full width

Hello,
i purchased the athlete theme and am trying to adjust the history and history item to make it will width inside the container.
by default, there are images inside the history item but without these, it doesnt just automatically extend.

thanks

link to the page http://sitnarongtest.club/page/about-us/ and its at the bottom

Hi @jtfletty,

Welcome to the forums! You may need to contact theme author for support, unfortunately we can’t provide such on general discussion board:

Thanks,
Luca