Firefox to change its look--again (screenshots)

Mozilla's plans for Firefox involve more than a redeco, but the new design--code-named Australis--will be the most apparent of the browser's changes. Sites that are open in tabs but in the background will merge more seamlessly with the browser window itself. Pinned tabs will also melt into the background. To the right of the location bar, the download manager will be visible when downloading, and Firefox options will reside behind a Chrome-style gear icon.