code: public void setSize(double width, double height) {
          this.setMinSize(StackPane.USE_PREF_SIZE, StackPane.USE_PREF_SIZE);
          this.setPrefSize(width, height);
          this.setMaxSize(StackPane.USE_PREF_SIZE, StackPane.USE_PREF_SIZE);
      }
docs: resize the svg to a certain width and height
  
  @param width
  @param height