# Declaration block

Everything between a rule's curly braces.

## What is a **declaration block**?

A **declaration block** is the part of a rule inside the curly braces: all the declarations that apply to the selected elements.

```css
.card {
  padding: 16px;
  border: 1px solid #ddd;
}   /* the block is everything between { and } */
```

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

Updated: September 27, 2026

Source: https://www.ask-codey.com/glossary/declaration-block