What is the Boost theme? Boost theme Boost is Moodle’s new responsively designed theme based on Bootstrap 4. Boost focuses on improving the user’s ability to navigate within the Learning Management System (LMS). For example, you can move between courses with the new hamburger menu in the upper left. It also works to make editing easier by placing a prominent gear icon on the course page that provides instructors access to the course editing and administration tools. Boost is highly customizable by the site administrator using either custom Boost presets or custom SCSS files. Boost Theme Overview Video The following narrated video provides a visual representation of some of the information included on this page. For a detailed description of what is portrayed in the video, open the video on YouTube, navigate to More actions, and select Open transcript. Video: Boost Theme Overview shows the app features for Windows devices.