Revert "minor heading changes"

This reverts commit 97447281ec9d74c301c822245be6ea543f650799.
Revert "fixed typo"

This reverts commit e37dd51c58e31081f49e765f03db660e19e32ac1.
Revert "added index file for live example page"

This reverts commit d65da461cf5b73e8f2ac49f66a4ee4be682ca95e.