# Sandbox.UI.PanelStyle.HasBeforeElement

```csharp
bool HasBeforeElement { get; set; }
```

This style has a ::before element available. This is signalling to the panel system that if we 
apply this style, we should also create a ::before element.

Declared in [Sandbox.UI.PanelStyle](/api/Sandbox.UI.PanelStyle).
Assembly: `Sandbox.Engine`.
