I am laying out my project for the Tribute page. Figured out how to use the column offsetting, but it seems that #timeline does not want to center in md view (sm and larger the md views seems to have the div centered). I added a 1px CSS border just to make it more clear how everything is lining up.
Awesome. It seems some of the things I learned in the previous lesson regarding bootstrap are no longer applicable to 4. When I took version 4 out, it seemed to solve the issue, but will still look into the links provided for the future.