Here is a very interesting article giving few tips on how to make your online teaching unit attractive enough to elicit students’ involvement.
“If you want your students to enjoy your online course, have a little fun with it! Choosing bright colors and graphics can lighten the mood. Avoid too much mundane text that nobody (not even you) wants to read. If you have an intro video, maybe consider cracking a joke to start out. There are many different ways to have fun with your course and make it more enjoyable for you and your students.”