This assumes the default CSS so that the appropriate TODO styles have
been defined.

I must admit that I seldom export to HTML (esp. now with the ODT
exporter) so I cannot remember if this was a good template or not.

Hope this helps.
      
-- 
: Eric S Fraga (GnuPG: 0xC89193D8FFFCF67D) in Emacs 24.1.50.1
: using Org release_7.8.09-544-g505cc7