How to make an image display in Mozilla Firefox?

Question

css

Chrome displays a picture of a dog, but chrome doesn't. What is the problem and how to solve?
68.183.70.133/game0711/game.html

Answer 1

I think you will understand

div{
transform: scale(2,4);
-ms-transform: scale(2,4); /* IE 9 */
-webkit-transform: scale(2,4); /* Safari and Chrome */
-o-transform: scale(2,4); /* Opera */
-moz-transform: scale(2,4); /* Firefox */
}

Answer 2

add image position: absolute