minor css and text changes

git-svn-id: https://plugins.svn.wordpress.org/nextgen-facebook/trunk@747175 b8457f37-d9ea-0310-8a92-e5e31aec5664
minor css and text changes

git-svn-id: https://plugins.svn.wordpress.org/nextgen-facebook/trunk@747176 b8457f37-d9ea-0310-8a92-e5e31aec5664