<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2008/09/24/displaying-a-drop-shadow-behind-a-vbox-container-in-flex/ -->
<mx:Application name="VBox_dropShadowEnabled_test"
        xmlns:mx="http://www.adobe.com/2006/mxml"
        layout="vertical"
        verticalAlign="middle"
        backgroundColor="white">

    <mx:Style>
        VBox {
            dropShadowEnabled: true;
            borderStyle: solid;
            borderThickness: 0;
            backgroundColor: red;
        }
    </mx:Style>

    <mx:VBox id="vBox"
            width="100%"
            height="100%">
        <mx:Label text="{Capabilities.version}"
                fontSize="64" />
    </mx:VBox>

</mx:Application>