Upgraded and now when logged in I have a yellow border around everything

[kh99]

Did you try temporarily disabling mods just to make sure it's not a plugin affecting things? Also you could try creating a new style with no parent and see what happens shen you use that (although it really looks like a style issue, so I expect doing those things will confirm that). Also, did you try using a different browser?

It might help us figure it out if posted a link to your site.