# Nesting selector

& in nested CSS: stands for the parent selector.

## What does `&` mean in nested CSS?

The **nesting selector** `&` stands for the parent rule's selector, used to attach states like `:hover` or modifier classes.

```css
.button {
  background: navy;
  &.danger { background: firebrick; }   /* .button.danger */
}
```

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/nesting-selector