# Background Origin

Set the background positioning area relative to borders, padding & content.

**Widely available.** This feature is well established and works across many devices and browser versions.

Chrome 21 · Edge 12 · Firefox 22 · Safari 5.1

| Class | Properties | Value |
|-------|------------|-------|
| `bo:bb` | background-origin | `border-box` |
| `bo:cb` | background-origin | `content-box` |
| `bo:pb` | background-origin | `padding-box` |

### Media Queries

Prefix a class with a breakpoint to apply it from that width up.

| Class | Properties | Value |
|-------|------------|-------|
| `bo:bb` | background-origin | `border-box` |
| `bo:cb` | background-origin | `content-box` |
| `bo:pb` | background-origin | `padding-box` |

### Pseudo Classes

Prefix a class with a state to apply it only while that state matches.

| Class | Properties | Value |
|-------|------------|-------|
| `bo:bb` | background-origin | `border-box` |
| `bo:cb` | background-origin | `content-box` |
| `bo:pb` | background-origin | `padding-box` |