Q: CSS3 perspective transform is not working in firefox I am trying to create a css transform for dropdown menu, but it does not work in firefox, 
from other posts, I tried this:
...
 -moz-animation: flipInX 3s;
...

but it doesn't work in firefox.
this is the test test page:
http://leamratech.com/test/test/test.html

A: In your animation CSS alongside @-webkit-keyframes flipInX {} you need to add @-moz-keyframes flipInX {} as well. that should resolve your issue.

A: Take a look at this website HERE , 
It shows you the code, and it works in chrome and firefox (I tested it)
it uses @keyframes 
