Releasing CSS

In an industry that communicates with terms such as "Browser Hell" and "browser wars," a web designer can be excused for having some anxiety over Microsoft''s recent upgrade of Internet Explorer 6 (IE6) to Internet Explorer 7 (IE7). Web designers should ask the following questions:

• What problems does IE6 possess and what fixes does IE7 provide?
• What part of the Cascading Style Sheets (CSS) specifi...