How can I set CSS only for specific IE browsers?

Question

I have a CSS/jQuery Checkbox style script: http://jsfiddle.net/BwaCD/

The problem is, in current browsers in order for the span to float over the input, the input\'s

Answer 1

EDIT (Aug. 28): Note that the following answer is relevant, in practice, only for Internet Explorer, at least versions 8 and earlier. To my knowledge, no mainstream browser now supports conditional comments, not even Internet Explorer 11.

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You can use Internet Explorer's conditional comments to add a class name to the HTML root tag for older IE browsers:

Then you can define IE-specific CSS by referencing the appropriate class name, like this:

.ie8 body {
   /* Will apply only to IE8 */
}

Source: http://paulirish.com/2008/conditional-stylesheets-vs-css-hacks-answer-neither/