For unlucky GUI clients where the ALT tags are not shown, I have included them in as normal text. Now refers to our home page . The World Wide Web. Now used to refer to historical subjects and areas of interest about the WWW itself, not the W3C or its activities. These can be used anywhere to point to related information of a specific type.
Icons are simple drawings, filled rather than line.
We will stick to this style unless we have a general style rethink. These icons are publically available throughout the web, and we use them in similar manner. The DCS Icon Browser in Italy also offers a nice search function.