message: Update slides headline
diff: .HomeSection__content.HomeHowItWorks
  .HomeSection__cta
  - h2.Type.Type--size-h2 How it works
  + h2.Type.Type--size-h2
  + | Are.na puts all your ideas in context.
  .HomeHowItWorks__carousel.js-home-carousel
  | &nbsp;
  