Css Hacks for IE6, IE7, IE8, IE9.

for Internaet Explore 6

* html .color{color:red;}

for Internet Explore 7

*:first-child+html .color{color:green;}

or 

*+html .color{color:green;}

for Internet Explore 8

@media \ Oscreen{.color {color:blue;}

}

for Internet Explore 9

:root .color{color:yellow\9;}