declarable headings should just be displayed as normal, however add a class so we can identify them
declarable headings should just be displayed as normal, however add a class so we can identify them

bitzesty/trade-tariff-frontend,alphagov/trade-tariff-frontend,bitzesty/trade-tariff-frontend,alphagov/trade-tariff-frontend,bitzesty/trade-tariff-frontend,bitzesty/trade-tariff-frontend,alphagov/trade-tariff-frontend,alphagov/trade-tariff-frontend