使用CSS3将你的网站设计推向未来

6. The downside

Your website may now have a range of fancy new design features, but there are a few negatives to take into consideration:

• Internet Explorer: 46% of Internet users won’t see these features, so don’t use them as a crucial part of the design of your website. Make sure that secondary options are in place, such as a standard border in place of border-image and a normal font in place of @font-face. Please notice that Internet Explorer supports @font-face with EOT (more details) since v4 (thanks for heads up, Jon Tan).
• Invalid style sheets: These CSS3 features have not been released as a final specification. They are currently implemented with tags that target different browsers. This can invalidate your style sheet.
• Extra CSS markup: Following the last point, having to add a different tag for each browser to specify the same rule, as well as include the standard rule for the final CSS specification, adds a lot of extra code to your CSS markup.
• Potentially horrific usage: Just as is done with traditional Photoshop filters, the use of these new styling features could result in some eye-wrenching designs. Drop shadows in particular ring warning bells for us; we’re not looking forward to seeing the Marketing Department’s choices with that one!

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