Refactoring + add sub-section content heading
Refactoring + add sub-section content heading

Refactored into object added to GOVUK namespace.

alphagov/static,kalleth/static,kalleth/static,alphagov/static,kalleth/static,tadast/static,tadast/static,alphagov/static,robinwhittleton/static,tadast/static,kalleth/static,robinwhittleton/static,robinwhittleton/static,robinwhittleton/static,tadast/static