stylelint
Version:
Modern CSS linter
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# selector-pseudo-class-case
Specify lowercase or uppercase for pseudo-class selectors.
```css
a:hover {}
/** ↑
* This is pseudo-class selector */
```
## Options
`string`: `"lower"|"upper"`
### `"lower"`
The following patterns are considered warnings:
```css
a:Hover {}
```
```css
a:hOvEr {}
```
```css
a:HOVER {}
```
```css
:ROOT {}
```
```css
:-MS-INPUT-PLACEHOLDER {}
```
The following patterns are *not* considered warnings:
```css
a:hover {}
```
```css
:root {}
```
```css
:-ms-input-placeholder {}
```
### `"upper"`
The following patterns are considered warnings:
```css
a:Hover {}
```
```css
a:hOvEr {}
```
```css
a:hover {}
```
```css
:root {}
```
```css
:-ms-input-placeholder {}
```
The following patterns are *not* considered warnings:
```css
a:HOVER {}
```
```css
:ROOT {}
```
```css
:-MS-INPUT-PLACEHOLDER {}
```