2.4. CSS and the Ever-Shifting World of Browsers

The CSS "standard" is relatively recent, and the latest version, CSS2, is even newer. So, it's not surprising that older browsers don't do as good a job of supporting CSS as the newer ones. As the browser manufacturers release new versions of their products, CSS support gets better. Unfortunately, but understandably, a good many users refuse to upgrade their browsers every time a new release appears.

As a Web designer, you have to decide, usually in concert with your client or manager, how much you're willing to worry about support for older browsers. Regardless of how you answer that question, a helpful rule to keep in mind is this: wherever possible, design your pages so that a user with a ...

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