Your Guide to Recreating Elements of the Cerulean Theme for WordPress
Here is the widget breakdown for the Top section:
The first thing you will need to do is click and drag the Gantry Logo widget from the Available Widgets area of the Widgets menu to the appropriate section. Once this is done, the logo should appear in the upper-left area of the front page as it does in the demo. You can further customize this logo by following the instructions in our FAQ.
This widget tells WordPress to start a new widget column beginning with the widget placed directly below the divider in the section.
The login form located in this area of the page is actually a Gantry Login Form widget.