Board Thread:Support Requests - Designing Your Wiki/@comment-1264853-20170523113858/@comment-168424-20170524181254

Andrewds1021 wrote: Fandyllic wrote: The image should be 250 pixels wide by 65 pixels tall and a PNG. If you don't want to have to use custom CSS across the entire site. Otherwise, you could resize it using CSS.

I'm not sure the OP wants anything fancy, but you could also have a changing wordmark with JS.