Target IE9 Only via CSS

Question

Just wondering given these IE hacks in my bag of tricks

\"\\9\" - for IE8 and below.
\"*\" - for IE7 and below.
\"_\" - for IE6.

i.e. such

Answer 1

At this adress : http://www.impressivewebs.com/ie10-css-hacks/ I found a media query specific for IE10 only (and below) :

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {  
   /* IE10-specific styles go here */  
}