final InnerShadow helpTextEffect = new InnerShadow();
helpTextEffect.setRadius(10d);
final Timeline helpTextTimeline = GuiUtil.createShadowColorIndicatorTimeline(
helpTextEffect, ATTENTION_COLOR, Color.BLACK.brighter(),
HELP_TEXT_COLOR_CHANGE_CYCLE_COUNT);
helpTextPane = new ScrollPane();
helpTextPane.getStyleClass().add("text-area-help");
//helpTextPane.setPrefHeight(40d);
helpTextPane.setPrefWidth(300d);
helpTextPane.setEffect(helpTextEffect);
helpText = new Label(RS.rbLabel(UGateUtil.HELP_TEXT_DEFAULT_KEY));