changed scroll setting to a drop down
Background template fix

- Fix for l18n value used for Color label
Background - Demo update to apply widget setting layout/styling

- Applying the widget settings HTML structure so that the CSS gets applied to the Background component (will style heading and apply group border)
changed scroll setting to a drop down
Background - Demo example update

- Adding widget settings HTML layout/styling to the example to see a realistic use of Background
depreciated tool tip