Rootified is a Bootstrap-based template that can be used for CMS and back-end web applications. It's based on a responsive layout and it has been written in HTML5 and CSS3. It has three main columns: one for the left sidebar, which contains the main navigation menu, another for a right sidebar that contains featured widgets and the main container.
This theme has an elegant and minimalist style, it's super easy to use and it includes more than 25 jQuery plugins that will enhance your project.