 [Style(name="backgroundSize", type="String", inherit="no", theme="halo")]
 
 /**
+ *  Alpha of the border.
+ *  @default 1
+ *  
+ *  @langversion 3.0
+ *  @playerversion Flash 10
+ *  @playerversion AIR 1.5
+ *  @productversion Flex 4
+ */
+[Style(name="borderAlpha", type="Number", inherit="no", theme="spark")]
+
+/**
  *  Color of the border.
  *  The default value depends on the component class;
  *  if not overridden for the class, the default value is <code>0xB7BABC</code>.

[Style(name="borderThickness", type="Number", format="Length", inherit="no", theme="halo")]

/**
 *  Radius of component corners.
 *  The default value depends on the component class;
 *  if not overriden for the class, the default value is 0.

 *  @playerversion AIR 1.1
 *  @productversion Flex 3
 */
[Style(name="cornerRadius", type="Number", format="Length", inherit="no", theme="halo, spark")]

/**
 *  Boolean property that specifies whether the component has a visible
