In the past, the W3C debated whether page transitions belong in our CSS stylesheets, under the domain of web designers, or in our code, under the domain of web developers. After much lobbying by both designers and developers, they created a working draft for transitions. Once this specification is officially adopted, CSS3 Transitions will become a standard tool in web browsers. Until that time, we had to rely on vendor prefixes for this feature. NOTE: IE9 does not support the CSS3 Transitions...