The Graphics lesson is folded/closed by default. This has the text grayed-out and makes it look like there's nothing there:

(The arrow in the cropped screenshot appears much more prominently than in context.)
Addtionally, the 'Graphics' text is not clickable. I have to click on the arrow icon itself to unfold the group.
The Graphics lesson is folded/closed by default. This has the text grayed-out and makes it look like there's nothing there:

(The arrow in the cropped screenshot appears much more prominently than in context.)
Addtionally, the 'Graphics' text is not clickable. I have to click on the arrow icon itself to unfold the group.