I love the graphics and the music is of good tastes. The title screen is EXTRA clean, love it.
I had very low FPS while running in the browser so it was quite hard to get the placement I was aiming for but I saw the vision very clearly.
Maybe adding some SFX would be a nice way to upgrade your game later ? ( although making a sound for each item will be a tideous task I'll admit)
Good game :)