Till now Webkit based browsers like Chrome and Safari supported CSS 3D transformations, good news for Firefox users latest nightly builds got CSS 3D Transformations (available for 64-bit also), you can download nightly build and test some some CSS 3D examples in the browser.
Try some CSS 3D demos in Firefox Nightly
#1. You can see the demo of spinning of HTML5 3D logo as an CSS 3D example. Enter the values in degrees for X-rotation, Y-rotation and Z-rotation to see how HTML5 spins, you can stop it spinning by clicking on Stop spinning button.
#2. You can try another demo poster circle in Firefox nighty and along side with Chrome browser which is originally written for Webkit.
This is a simple example of how to use CSS transformation and animations to get interesting-looking behavior.
Note that you can still select the numbers on the ring; everything remains clickable. “
#3. To celebrate the release of Firefox nightly with support for CSS 3D transformations Mozilla created Browser Memory game to catch all browsers and the cat, play it and have fun.