# @layer

Declares cascade layers or puts rules into one.

## What does `@layer` do?

`@layer` declares cascade layers and their order, or puts rules into one.

```css
@layer base {
  body { font-family: system-ui, sans-serif; }
}
```

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

Updated: September 27, 2026

Source: https://www.ask-codey.com/glossary/layer