By default, Firefox uses a dotted rectangle to indicate that an object element has focus. Since Silverlight is implemented using the object tag, it also "suffers" from this behavior. To remove this focus rectangle, simply include the following definition in your CSS:

Here's the pretty version:

Does anyone have a good way to paste code into Word 2007 such that when the post is published, the code remains intact? Here's what I'm getting (which is close, but not perfect)

object:focus {

    outline: none;

}