# iconUssClassName

> The USS class name for Button elements with an icon.

## Definition

* **Type:** Field
* **Namespace:** [UnityEngine.UIElements](/engine/6000.0/script-reference/unityengine/uielements.md)
* **Assembly:** UnityEngine.UIElementsModule

```csharp
public static readonly string iconUssClassName
```

### Remarks

Unity adds this USS class to an instance of the Button element if the instance's [Button.iconImage](/engine/6000.0/script-reference/unityengine/uielements/button/iconimage.md) property contains a valid Texture. Any styling applied to this class affects every button with an icon located beside, or below the stylesheet in the visual tree.