responsive pseudoclasses in JavaFX

gistfile1.css

#toolbar {
    -fx-background-color: deepskyblue;
}

#toolbar:extreme-small-device {
    -fx-padding: 1 1 0 1;
}

#toolbar:small-device {
    -fx-padding: 2 2 1 2;
}

#toolbar:medium-device {
    -fx-padding: 6 6 1 6;
}

#toolbar:large-device {
    -fx-padding: 6 6 1 6;
    -fx-background-image: url(blue-background.png);
}