There are over a dozen themes that come included in Website:D which are very easy to customize to suit your style.
You can view the included themes in the demo on the following page: website-d.com/i/themes
The themes in Website:D are easily modified from the admin area. You can select colors for the backgrounds, fonts, links, etc...
Adjust the layout of header, main menu & side menus.
View your changes in the preview panel when you make them so you have an idea how it is going to look.
The screen shot to the left is of the admin in the theme editing section. You can see a live demo of it by going to the demo page and viewing the admin demo. Then go to the Design & Layout section.