Links to my code pen for tasks one, two and three as well as the assignment.
Hi @mkkaranja
Again, you did some great work. 
All three tasks are correct. Maybe you could mention the file type to in the last part of the last task. Something like: (PDF, 4 MB)
Stay safe,
Michael
PS: Your email address is visible in your post. It ended up in the optional “name” field of your profile. I recommend removing it.