Thread:Project:Support desk/Different Vector Skin Style CSS (Code blocks and SyntaxHighlight Geshi)

My local installed MediaWiki is looking different then this version (http://www.mediawiki.org/wiki). For example: My Code blocks are not styled (no border).

Also my SyntaxHighlight blocks have dashed borders and a small font, but the blocks on this site have a solid border and a larger font. I searched and looked into a few different CSS files, but I cannot find .mw-code styled anywhere except Line-height.

Can anyone tell me where this difference in styling is from?