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Tommy Olsson and Paul O'Brien

"The Ultimate CSS Reference"

Take a look at this
example, which attempts to target downlevel browsers and IE7 or later:

This is shown in downlevel browsers and IE7 or later.



This example uses valid HTML, but IE7 and later browsers will also reveal the -->
after the opening conditional statement. The fix suggested by Microsoft is to add
an extra

This is shown in downlevel browsers and IE7 or later.



Conditional Comments in Practice
If you want to use conditional comments in your approach to delivering targeted
CSS, here??™s what you can do. First, link to your standard style sheet in the normal
way (via a tag, for example). Then, use conditional comments to link to one
or more other style sheets that contain the CSS targeted towards IE. The IE-only
style sheets should contain only the required CSS fixes. They shouldn??™t be a
6 http://www.456bereastreet.com/archive/200511/valid_downlevelrevealed_conditional_comments/
Workarounds, Filters, and
Hacks
The Ultimate CSS Reference 400
duplication of your standard style sheet??”that would be a waste of bandwidth and
completely redundant anyway.


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