Bootstrap Jumbotron Theme
· Bootstrap Jumbotron theme is a theme based on the Jumbotron example from http://getbootstrap.com/2.3.2/examples/hero.html and the _styled theme. By default it prints the site's name and description into the jumbotron area. It also enables add contact information to the footer through theme settings in the Site Administration area.
Download JD-GUI to open JAR file and explore Java source code file (.class .java)
Click menu "File → Open File..." or just drag-and-drop the JAR file in the JD-GUI window bootstrap-jumbotron-theme-1.0.1.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.