application


  <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml">

style(s)


          <mx:Style>
                  
                  .myLabel
                  {
                          fontSize: 20;
                  }
                  
                  Label
                  {
                          color: #0000FF;
                  }
                  
          </mx:Style>

panel / label


          <mx:Panel title="CSS">
                  <mx:Label text="Cascading Style Sheets" styleName="myLabel" />
          </mx:Panel>
          
  </mx:Application>