# Sandbox.UI.BaseStyles.OverscrollBehaviorY

```csharp
System.Nullable<OverscrollBehavior> OverscrollBehaviorY { get; set; }
```

Represents the `overscroll-behavior-y` CSS property.

Declared in [Sandbox.UI.BaseStyles](/api/Sandbox.UI.BaseStyles).
Assembly: `Sandbox.Engine`.