CSS Hacks to Access Specific IE Browsers

<style>
.identifier { color: green; }
.identifier { *color: pink; }            /* IE6+7 */
.identifier { _color: red; }             /* IE6 */
.identifier { color: orange; }           /* IE8+9  */
:root .identifier { color: yellow ; }    /* IEv9 only */
</style>

<ul class="identifier">
  <li>IE6 text red</li>
  <li>IE7 text pink</li>
  <li>IE8 text orange</li>
  <li>IE9 text yellow</li>
  <li>In everything else text should be green</li>
</ul>