Your Guide to Recreating Elements of the Cerulean Theme for WordPress
Here is the widget breakdown for the Copyright section:
The Copyright section remains the same for all areas of the site. Because of this, it is preserved as a Default widget override.
The Gantry Copyright widget places a tiny Copyright notification at the bottom of the page. The only thing you need to change in this widget to match the demo is the text field, which includes:
Designed by RocketTheme.
This widget tells WordPress to start a new widget column beginning with the widget placed directly below the divider in the section.
The Gantry To Top widget is a simple indicator which allows users to jump to the top of a page with a single click. Just click and drag this widget into the section to activate it.