I have given my blog posts a fixed width of 800 px. Now I would like to add an author box at the end, which I would like to display over the full width.
I have included two examples.
Plentyflow is my page, Blogmojo as it would like to have it.
if you want Content, followed by full width author box and then comments you would need to move the comments form too.
This reply from Tom provides the PHP required to do that: