Codeschool has a Fundamentals of design course, but I didn't take the course myself. But judging by the quality of their other content it's probably good material: https://www.codeschool.com/courses/fundamentals-of-design
Codeschool has a Fundamentals of design course, but I didn't take the course myself. But judging by the quality of their other content it's probably good material: https://www.codeschool.com/courses/fundamentals-of-design