Just press da space bar several million times. Press q to stop the color-changing.
If you see a cat you like, post which one in the comments. I will reply back, and then kitty is yours! I will also tell you about your cat's personality and skills. The reason I'm giving these away is because they used to be in a fanfic I made, but I gave up on it. And I figured, why let the cats go to waste?