Such a cute game, with nice animations and colors. Spending only 49 minutes on the sprites is quite impressive.
The theme is incorporated well in this game. I managed to play until I was blocked. All the food was held, and I had no other choice but to give Kitty her milkshake. Bunny got angry :(
Using window.alert was a clever way to prompt users with feedback, and to save some time. I did some DOM-manipulation instead, but window.alert would easily do the trick instead. Could have saved me a couple of minutes there.
You created a complete game within 3 hours, an excellent job.