Homepage layout of the Sunshine theme is fully widgetized. You can add variety of content in various widget areas to create a unique homepage look.
With mix of “full width” and “boxed width” widgets – you can easily setup full width layout, boxed width layout or mix-match both (Hint: unleash your creativity!).
Note: If you do not add any widget to homepage widget areas, then homepage layout will switch automatically to the blog layout. You can configure blog layout settings from the “Content Archive” option found at Genesis > Theme Settings in the WordPress Dashboard.
Note: You can also set a static page as the homepage by going to Settings > Reading option in the WordPress Dashboard. Make sure all homepage widgets are empty to make this work.