列一下目录，粗略看了一下，还是有参考价值
Chapter 1:Why Hack CSS?
Chapter 2:Filtering CSS for Older Browsers
Chapter 3:Hiding CSS from Newer Browsers
Chapter 4:Applying Conditional Comments
Chapter 5:Scripting JavaScript and Document Object Model Hacks
Chapter 6:Coding Server-Side Solutions
Chapter 7:Enhancing Graphics and Media with CSS
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