Fonts are inheritable style properties
<?xml version="1.0"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"> <mx:Style> @namespace mx "http://www.adobe.com/2006/mxml"; mx|VBox { fontFamily: Helvetica; fontSize: 18pt; } mx|HBox { fontFamily: Times; fontSize: 18pt; } </mx:Style> <mx:Panel title="Styles Inherited from VBox Type Selector"> <mx:VBox> <mx:Button label="Helvetica" /> <mx:Label text="Helvetica" /> <mx:TextArea width="400" height="75" text="Helvetica inherited from VBox" /> </mx:VBox> </mx:Panel> <mx:Panel title="Styles Inherited from HBox"> <mx:HBox> <mx:Button label="Helvetica" /> <mx:Label text="Helvetica" /> <mx:TextArea width="400" height="75" text="Times inherited from HBox style." /> </mx:HBox> </mx:Panel> </mx:Application>