return dynamicStyles == null || dynamicStyles.get(SELECTOR_SELECTION) == null ? null : CSSStyleSheet.getBackground((CSSAttributeSet) dynamicStyles.get(SELECTOR_SELECTION));
return dynamicStyles == null || dynamicStyles.get(SELECTOR_SELECTED_TAB) == null ? null : CSSStyleSheet.getBackground((CSSAttributeSet) dynamicStyles.get(SELECTOR_SELECTED_TAB));
    public Color getSelectionBackground() {        return dynamicStyles == null || dynamicStyles.get(SELECTOR_SELECTION) == null ? null : CSSStyleSheet.getBackground((CSSAttributeSet) dynamicStyles.get(SELECTOR_SELECTION));    }