Ideas are interdependent with the medium. This is not a new idea. Ideas function best in a medium of expression that provides unqualified space for experimentation and exchange. Ideas require open space. And ideas require good tools that help them move through all the revision and the frustration and the unqualified, open space.
Creativity always comes eventually to the practical.
Especially when you want to express it with others. In creating for the web, there are many tools. There are also some useful tools. Inc. For Mac users, BBEdit is an essential tool for HTML authoring. It lets you get close to the code and work with it hands-on.