Figure and Figcaption
In the past web developers had to use div’s with classes or ids to create images with captions. With HTML5 we can semantically markup our images and captions using the figure and figcaption elements. The problem of course is making these elements both beautiful, interactive, and cross browser compliant. Here I will show you how to create one quick example of a sliding caption effect using these new elements.
via Cross browser animated captions using HTML5 figcaption | Coalmarch.