style for application
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"> <mx:Style> @namespace mx "http://www.adobe.com/2006/mxml"; mx|Application { backgroundColor: #ffffff; backgroundImage: ''; paddingLeft: 0; paddingRight: 0; paddingTop: 0; paddingBottom: 0; horizontalAling: 'left'; } </mx:Style> </mx:Application>