Regarding the TOP widget it will be shown above the breadcrumbs and the banner image in home page same as demo but in other pages you can get the widget position same as Widget style page in demo. We hope you understand. And for the TOP Widget background color we have found bug in our theme, so we will fix this issue in another update. For now you can use the following css to change the background color
NOTE: Please use the child theme style.css or custom css plugin to write the css.