# CSS architecture

How a team organizes CSS so it stays easy to change.

## What is **CSS architecture**?

**CSS architecture** is how a team organizes its CSS so it stays easy to change as the site grows: naming rules, file structure and layers.

```css
@layer reset, tokens, components, utilities;
/* reset.css, tokens.css, components/*.css, utilities.css */
```

Level: Master · [More CSS terms at this level](https://www.ask-codey.com/glossary/subjects/css/master)

Updated: September 27, 2026

Source: https://www.ask-codey.com/glossary/css-architecture