# ussClassName

> USS class name of elements of this type.

## Definition

* **Type:** Field
* **Namespace:** [UnityEngine.UIElements](/engine/6000.5/script-reference/unityengine/uielements.md)
* **Assembly:** UnityEngine.UIElementsModule

```csharp
public static readonly string ussClassName
```

### Remarks

Unity adds this USS class to every instance of the Button element. Any styling applied to this class affects every button located beside, or below the stylesheet in the visual tree.