Setting the horizontal spacing between an item label and icon in a LinkBar control in Flex

<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2009/08/20/setting-the-horizontal-spacing-between-an-item-label-and-icon-in-a-linkbar-control-in-flex/ -->
<mx:Application name="LinkBar_linkButtonStyleName_horizontalGap_test"
        xmlns:mx="http://www.adobe.com/2006/mxml"
        layout="vertical"
        verticalAlign="middle"
        backgroundColor="white">
 
    <mx:Style>
        .linkBtnStyles {
            horizontalGap: 0;
        }
 
        LinkBar {
            linkButtonStyleName: linkBtnStyles;
        }
    </mx:Style>
 
    <mx:Script>
        <![CDATA[
            import mx.events.SliderEvent;
 
            protected function slider_change(evt:SliderEvent):void {
                var btnStyles:CSSStyleDeclaration = StyleManager.getStyleDeclaration(".linkBtnStyles");
                btnStyles.setStyle("horizontalGap", evt.value);
            }
        ]]>
    </mx:Script>
 
    <mx:ApplicationControlBar dock="true">
        <mx:Form styleName="plain">
            <mx:FormItem label="horizontalGap:" direction="horizontal">
                <mx:HSlider id="slider"
                        minimum="0"
                        maximum="20"
                        value="0"
                        snapInterval="1"
                        tickInterval="1"
                        liveDragging="true"
                        change="slider_change(event);"/>
                <mx:Label text="{slider.value}" />
            </mx:FormItem>
        </mx:Form>
    </mx:ApplicationControlBar>
 
    <mx:LinkBar id="linkBar">
        <mx:dataProvider>
            <mx:Array>
                <mx:Object label="Alert" />
                <mx:Object label="Button" icon="@Embed('assets/Button.png')" />
                <mx:Object label="ButtonBar" icon="@Embed('assets/ButtonBar.png')" />
                <mx:Object label="CheckBox" icon="@Embed('assets/CheckBox.png')" />
                <mx:Object label="ColorPicker" icon="@Embed('assets/ColorPicker.png')" />
                <mx:Object label="ComboBox" icon="@Embed('assets/ComboBox.png')" />
            </mx:Array>
        </mx:dataProvider>
    </mx:LinkBar>
 
</mx:Application>