[FIX} Fix button background gradients in Firefox and IE.

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/13.x@52209 b456876b-0849-0410-b77d-98878d47e9d5
[FIX} Fix social networking style navbar background color.

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/13.x@52210 b456876b-0849-0410-b77d-98878d47e9d5
[FIX} Fix social networking style navbar background color.

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/13.x@52211 b456876b-0849-0410-b77d-98878d47e9d5
[FIX} Feb12ify social networking style navbar background color.

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/13.x@52212 b456876b-0849-0410-b77d-98878d47e9d5