http://imanas.shanghai.nyu.edu/~jl9546/inclassExercise/cat.html
This is a quite interesting exercise. At first I feel like that I needed some time to adjust to the syntax of Javascript since I had just gotten used to CSS. After knowing what’s going on, it’s not very difficult to make the cat dance. I tried to change the style of my buttons, so I asked Dr. google. Then I added a background image. At first, the size of the image didn’t fit the size if the page. So the image was repeated four times in order to fill the whole page. I wanted my background to have only one image, so I googled again and changed the size of the image to “100% 100%”. Then the image filled the whole background, problem was solved.