# Outline Width

Set the width for an element's outline.

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

Chrome 1 · Edge 15 · Firefox 1.5 · Safari 1.2

| Class | Properties | Value |
|-------|------------|-------|
| `ow:0` | outline-width | `0` |
| `ow:1` | outline-width | `1px` |
| `ow:2` | outline-width | `2px` |
| `ow:3` | outline-width | `3px` |
| `ow:4` | outline-width | `4px` |

## Media Queries

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

| Class | Properties | Value |
|-------|------------|-------|
| `ow:0` | outline-width | `0` |
| `ow:1` | outline-width | `1px` |
| `ow:2` | outline-width | `2px` |
| `ow:3` | outline-width | `3px` |
| `ow:4` | outline-width | `4px` |

## Pseudo Classes

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

| Class | Properties | Value |
|-------|------------|-------|
| `ow:0` | outline-width | `0` |
| `ow:1` | outline-width | `1px` |
| `ow:2` | outline-width | `2px` |
| `ow:3` | outline-width | `3px` |
| `ow:4` | outline-width | `4px` |