# borderBottomWidth

> Space reserved for the bottom edge of the border during the layout phase.

## Definition

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

```csharp
public float borderBottomWidth { get; set; }
```