In a theme other than Atahualpa I would go to the "sidebar.php" and just chuck in a <center></center> around the place I want to center. I'm not seeing how to do that now.
My sidebar has only two widgets in it and I'd like the tags in the tag cloud to be centered and not left justified. Am I going to have to do this with a float declaration?
The other widget is "Links" and left justified is fine there.
Configurable Tag Cloud 5.2