<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
		layout="vertical"
		verticalAlign="top"
		backgroundColor="white" viewSourceURL="srcview/index.html">

    <mx:Style>
        .myComboBoxDropdown {
            dropShadowEnabled: true;
            shadowDistance: 3;
            shadowDirection: "right";
            cornerRadius: 5;
        }
    </mx:Style>

    <mx:ComboBox dropdownStyleName="myComboBoxDropdown">
        <mx:dataProvider>
            <mx:String>one</mx:String>
            <mx:String>two</mx:String>
            <mx:String>three</mx:String>
            <mx:String>four</mx:String>
            <mx:String>five</mx:String>
        </mx:dataProvider>
    </mx:ComboBox>

</mx:Application>