Storyboard.TargetProperty="Background.Color"
Storyboard.TargetProperty="(Border.Background).(SolidColorBrush.Color)"
Storyboard.TargetProperty="(Background.Color)"
Storyboard.TargetProperty="Background.Color"
Storyboard.TargetProperty="(Border.Background).(SolidColorBrush.Color)"