---
url: https://plugin.stripo.email/extensions/reference/nodes/ImmutableCssRuleNode.md
---
# ImmutableCssRuleNode

Interface for immutable CSS rule nodes in stylesheets.

```typescript
interface ImmutableCssRuleNode extends BaseImmutableCssNode
```

## Description

`ImmutableCssRuleNode` represents CSS rules with selectors in the stylesheet. It provides methods to access rule properties, selectors, and child nodes (properties and comments). This interface is essential for inspecting and analyzing CSS rules before modification.

## Import

```typescript
import { ImmutableCssRuleNode } from '@stripoinc/ui-editor-extensions';
```

## Inheritance

Extends: [`BaseImmutableCssNode`](./BaseImmutableCssNode.md)

## Methods

### getSelector()

Retrieves the selector string of the CSS rule.

```typescript
getSelector(): string
```

**Returns:** `string` - The CSS selector

**Throws:** `Error` if the node cannot be found

**Example:**

```typescript
const selector = rule.getSelector();
// ".button", "#header", "table.email-container", etc.
```