Board Thread:Support Requests - Designing Your Wiki/@comment-31944763-20170511122638/@comment-168424-20170511180414

FYI, here is how Overlord wiki does it:
 * Moved and styled "Latest Activity" is in sidebar template: Template:MP_Right
 * Styling is done by this content box template: Template:Content_Box

It's pretty much all inline styling, so you don't need to copy wiki-wide CSS, as far as I can tell.