Use heading mixin for secondary heading style to increase spacing between secondary and main headings
Use heading mixin for secondary heading style to increase spacing between secondary and main headings

joelanman/govuk_elements,alphagov/govuk_elements,alphagov/govuk_elements,TFOH/govuk_elements,gavboulton/govuk_elements,gavboulton/govuk_elements,alphagov/govuk_elements,joelanman/govuk_elements,gavboulton/govuk_elements,alphagov/govuk_elements,TFOH/govuk_elements,gavboulton/govuk_elements