When building online courses in Open edX, you may need to add a differentiated visual layout for your course contents. Open edX will let you add HTML, CSS and javascript code in any of the HTML components, but keeping track of more complex CSS classes, and javascript functions in order to have a consistent visual layout over a wide range …

Course contents in a course built on the open edX platform is organized in a structure of sections, subsections and units.   In principle, the learner is expected to engage with those unit following the order from beginning to end, or to wander freely choosing the contents he or she wants to explore. However, as a course designer, you may need …