The latest release of the Chrome browser (15) makes Chrome the first browser that offers support for the CSS Regions. For more info and test:
http://corlan.org/2011/10/27/css-regions-running-in-chrome-15/
http://www.broken-links.com/2011/11/07/introducing-css-regions/
Un cordial saludo desde Barcelona (Spain)
North America
Europe, Middle East and Africa
Asia Pacific