# StyleKeyword

> Keyword that can be used on any style value types.

## Definition

* **Type:** Enum
* **Namespace:** [UnityEngine.UIElements](/engine/6000.3/script-reference/unityengine/uielements.md)
* **Assembly:** UnityEngine.UIElementsModule

```csharp
public enum StyleKeyword
```

## Fields

| Value                                                                                         | Description                                                                                                                         |
| --------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------- |
| [Auto](/engine/6000.3/script-reference/unityengine/uielements/stylekeyword/auto.md)           | For style properties accepting auto.                                                                                                |
| [Initial](/engine/6000.3/script-reference/unityengine/uielements/stylekeyword/initial.md)     | The initial (or default) value of a style property.                                                                                 |
| [None](/engine/6000.3/script-reference/unityengine/uielements/stylekeyword/none.md)           | For style properties accepting none.                                                                                                |
| [Null](/engine/6000.3/script-reference/unityengine/uielements/stylekeyword/null.md)           | Means that an inline style from [IStyle](/engine/6000.3/script-reference/unityengine/uielements/istyle.md) has no value or keyword. |
| [Undefined](/engine/6000.3/script-reference/unityengine/uielements/stylekeyword/undefined.md) | Means that there's no keyword defined for that property.                                                                            |