el-beeswarm
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Markdown
# at-rule-name-case
Specify lowercase or uppercase for at-rules names.
<!-- prettier-ignore -->
```css
@media (min-width: 10px) {}
/** ↑
* This at-rule name */
```
Only lowercase at-rule names are valid in SCSS.
The [`fix` option](../../../docs/user-guide/usage/options.md#fix) can automatically fix some of the problems reported by this rule.
## Options
`string`: `"lower"|"upper"`
### `"lower"`
The following patterns are considered violations:
<!-- prettier-ignore -->
```css
@Charset 'UTF-8';
```
<!-- prettier-ignore -->
```css
@cHarSeT 'UTF-8';
```
<!-- prettier-ignore -->
```css
@CHARSET 'UTF-8';
```
<!-- prettier-ignore -->
```css
@Media (min-width: 50em) {}
```
<!-- prettier-ignore -->
```css
@mEdIa (min-width: 50em) {}
```
<!-- prettier-ignore -->
```css
@MEDIA (min-width: 50em) {}
```
The following patterns are _not_ considered violations:
<!-- prettier-ignore -->
```css
@charset 'UTF-8';
```
<!-- prettier-ignore -->
```css
@media (min-width: 50em) {}
```
### `"upper"`
The following patterns are considered violations:
<!-- prettier-ignore -->
```css
@Charset 'UTF-8';
```
<!-- prettier-ignore -->
```css
@cHarSeT 'UTF-8';
```
<!-- prettier-ignore -->
```css
@charset 'UTF-8';
```
<!-- prettier-ignore -->
```css
@Media (min-width: 50em) {}
```
<!-- prettier-ignore -->
```css
@mEdIa (min-width: 50em) {}
```
<!-- prettier-ignore -->
```css
@media (min-width: 50em) {}
```
The following patterns are _not_ considered violations:
<!-- prettier-ignore -->
```css
@CHARSET 'UTF-8';
```
<!-- prettier-ignore -->
```css
@MEDIA (min-width: 50em) {}
```