Sally, Well it will take changes to several location.//HeaderControllerWidget.mxml<s:Group id="headerGroup"
width="100%" height="105">
//GroupWidgetItemDataGroupRender.mxml <s:VGroup width="45" height="50"
gap="2"
horizontalAlign="center"
rollOut="mouseOutHandler(event)"
rollOver="mouseOverHandler(event)"
verticalAlign="middle">
<mx:Image id="icon"
width="45" height="100%"
buttonMode="true"
smoothBitmapContent="true"
useHandCursor="true"/>
//WidgetItemDataGroupRender.mxml<s:VGroup width="45" height="50"
gap="2"
horizontalAlign="center"
verticalAlign="middle">
<mx:Image id="icon"
width="45" height="100%"
buttonMode="true"
mouseOut="mouseOutHandler(event)"
mouseOver="mouseOverHandler(event)"
smoothBitmapContent="true"
useHandCursor="true"/>
//WidgetListItemRenderer.mxml<s:HGroup width="100%" height="50"
buttonMode="true"
paddingLeft="10"
useHandCursor="true"
verticalAlign="middle">
<s:VGroup width="45" height="50"
horizontalAlign="center">
//HeaderGroup.mxml<s:SkinnableContainer xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:s="library://ns.adobe.com/flex/spark"
width="100%" height="105">
</s:SkinnableContainer>