JFXMaterialIcons makes easier to use Google material font icons in javafx.
var icon = new MaterialIcon("code", Style.ROUND, 150, Color.GRAY);
and you can add it as a node
.material-icon {
-material-icon: "code";
-material-icon-style: round;
-material-icon-size: 150px;
-material-icon-color: gray;
}