mfbTooltip shows a tooltip when hovering an anchor. No Javascript is used. Only CSS.
See example usage on http://daily.madeforbrowser.com (See main navigation)
mfbTooltip is based on this tutorial: http://pixelbar.be/blog/css-profi-tip-tooltip-attributen/
Please note, that no HTML is allowed and that it’s content should only be short. A couple of words. Because there is no linebreak included!