These are my legal CSS Hacks for fixing web browser quirks or outright bugs. Please enjoy, I have been working on them for years. May it help you if you need them. Please check out my [Live CSS Hacks Test Page at Bitbucket] MIRROR at [Live CSS Hacks Test Page at GitHub] and also [BrowserHacks.com] where I sent new hacks and test submissions for the site.
A while back I saw the need for methods of targeting different versions of Internet Explorer other than old ones. Nothing existed to target version 9 for example, and the Conditional Comment was rather cumbersome in that you could not include it within an existing style sheet. That of course would not work with a ‘greater than or equal’ IE 9 CSS block. Here are several methods I have created for this purpose.
First is the IE property combination with :root to rule out IE 8 and lower:
:root .selector { property:value\0; } /* IE 9+ (and old Firefox) */
Author: Jeff Clayton
Example Usage:
:root .selector { color:red\0; } /* IE 9+ (and old Firefox) */
Author: Jeff Clayton
Old versions of Firefox that would be most likely deemed unimportant do still show up, but I am one who loves to do surgical and direct methods, so try this one instead:
_::selection, .selector { property:value\0; } /* IE 9+ (Only) */
Author: Jeff Clayton
And the example then becomes:
_::selection, .selector { color:red\0; } /* IE 9+ (Only) */
Author: Jeff Clayton
This has been tested up through IE 11 which is current at the time of this posting.
For one-liners this is great but also I like to have media queries or @supports blocks. This one works for IE 9 and another I have crafted for IE 9+.
/* Internet Explorer 9 (Only) */
@media screen and (min-width:0) and (min-resolution:.001dpcm) {
.selector {
property:value;
}
}
Author: Jeff Clayton
And for the Internet Explorer 9+ version:
/* Internet Explorer 9+ (Only) */
@media screen and (min-width:0) and (min-resolution:+72dpi) {
.selector {
property:value;
}
}
Author: Jeff Clayton
Enjoy!
Jeff
IT Director/Senior Software Engineer, Photographer I test and create new CSS web page formatting hacks for BrowserHacks.com for the purpose of repairing web sites. PS-- CSS hacks are fun, but please attempt good CSS first unless in a bind. See Test Pages: https://browserstrangeness.bitbucket.io and https://browserstrangeness.github.io
Jeff Clayton IT Director / Senior Software Engineer / Film & Photography 
Hey found your CSS hacks to be so useful thanks for sharing..!! Keep up the good work
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Glad it helped you, thanks for the response!
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