[ENH] CSS id "page_" using $page_id moved from body tag to html tag to also enable specific background for entire page (recommended by luci). 
[ENH] CSS id "page_" using $page_id moved from body tag to html tag to also enable specific background for entire page (recommended by luci). 


git-svn-id: a7fabbc6a7c54ea5c67cbd16bd322330fd10cc35@23698 b456876b-0849-0410-b77d-98878d47e9d5

changi67/tiki,changi67/tiki,changi67/tiki,oregional/tiki,tikiorg/tiki,tikiorg/tiki,changi67/tiki,changi67/tiki,oregional/tiki,oregional/tiki,tikiorg/tiki,tikiorg/tiki,oregional/tiki