[FIX] Better fit of module background images.

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/13.x@51576 b456876b-0849-0410-b77d-98878d47e9d5
[ENH] Some style details for FiveAlive-lite.

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/13.x@51577 b456876b-0849-0410-b77d-98878d47e9d5