At the backoffice of bol.com, fifteen autonomous development teams are working together to build and maintain huge enterprise applications. Knowing that every team gets the best out of themselves through a large degree of autonomy, we decided not to force anyone to choose for a particular framework or development paradigms, which introduces lots of different challenges. One of them is maintaining consistency. In order to keep everything sane, we choose for a different approach: Building a framework independent Design System with Web Components.