File: /home/frenchy/www/french-american.org/current/node_modules/stylelint/lib/rules/unit-case/README.md
# unit-case
Specify lowercase or uppercase for units.
```css
a { width: 10px; }
/** ↑
* These units */
```
The `--fix` option on the [command line](../../../docs/user-guide/cli.md#autofixing-errors) can automatically fix most of the problems reported by this rule.
## Options
`string`: `"lower"|"upper"`
### `"lower"`
The following patterns are considered violations:
```css
a {
width: 10PX;
}
```
```css
a {
width: 10Px;
}
```
```css
a {
width: 10pX;
}
```
```css
a {
width: 10PIXEL;
}
```
```css
a {
width: calc(10PX * 2);
}
```
The following patterns are *not* considered violations:
```css
a {
width: 10px;
}
```
```css
a {
width: calc(10px * 2);
}
```
### `"upper"`
The following patterns are considered violations:
```css
a {
width: 10px;
}
```
```css
a {
width: 10Px;
}
```
```css
a {
width: 10pX;
}
```
```css
a {
width: 10pixel;
}
```
```css
a {
width: calc(10px * 2);
}
```
The following patterns are *not* considered violations:
```css
a {
width: 10PX;
}
```
```css
a {
width: calc(10PX * 2);
}
```