# More questions

Answers on classless HTML and on migration.

What the [home FAQ](https://nandovejer.github.io/luz/#faq) left out.

### HTML and classes

**Do HTML elements have a style without any class?**

Yes: with `luz.css`, native HTML comes out styled.

**Which HTML elements have no style?**

Those that only structure the page, such as `div` and `nav`.

**What are the LUZ classes for?**

For what HTML cannot say: sizes, roles and components with their own markup.

**Does a class change how an element looks?**

Very little: it adds what needs markup or a role.

**Is LUZ classless?**

Yes, and it also has components and a catalog.

### Existing projects

**Is LUZ only for new projects?**

No: an existing project is migrated page by page with `luz.conditional.css`.

**Is it worth migrating from another system?**

For a content site, yes; for a single-page app on a UI library, no.

**How do I migrate, and how does the AI help?**

In phases, one page at a time: the AI does the mechanical work, you decide.