No menu bar, no dock. Not MacOS-like interface; I think you meant window decorations. I think it needs a bit more than just macOS-like windows.
Looking at github, the OP is 16. not to reduce you to your young age, OP, but great work. I hope you take the criticism in the right way. When i was 16, my websites did not look at all that good. Well done!
Brings back memories. I made Mac OS X knockoff UI(back when it was 'stripey' for a website when I was about 16 as well. Nicely done OP.
Unusable on mobile and feels incomplete
android mobile i only see a bg image and an icon, not sure what im.. meant to do?