stylelint/src/rules/selector-pseudo-class-parentheses-space-inside/README.md

Modern CSS linter

# selector-pseudo-class-parentheses-space-inside

Require a single space or disallow whitespace on the inside of the parentheses within pseudo-class selectors.

```css
input:not( [type="submit"] ) {}
/**      ↑                 ↑
 * The space inside these two parentheses */
```

## Options

`string`: `"always"|"never"`

### `"always"`

There *must always* be a single space inside the parentheses.

The following patterns are considered warnings:

```css
input:not([type="submit"]) {}
```

```css
input:not([type="submit"] ) {}
```

The following patterns are *not* considered warnings:

```css
input:not( [type="submit"] ) {}
```

### `"never"`

There *must never* be whitespace on the inside the parentheses.

The following patterns are considered warnings:

```css
input:not( [type="submit"] ) {}
```

```css
input:not( [type="submit"]) {}
```

The following patterns are *not* considered warnings:

```css
input:not([type="submit"]) {}
```