private void btn_Quit_MouseLeave(object sender, MouseEventArgs e)
{
DoubleAnimation btnHAnimation = new DoubleAnimation();
btnHAnimation.Duration = new Duration(TimeSpan.FromSeconds(0.7));
btnHAnimation.To = 35;
DoubleAnimation btnWAnimation = new DoubleAnimation();
btnWAnimation.Duration = new Duration(TimeSpan.FromSeconds(0.7));
btnWAnimation.To = 35;
Quit.BeginAnimation(Button.HeightProperty, btnHAnimation);
Quit.BeginAnimation(Button.WidthProperty, btnHAnimation);
}