<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>10.7</title>
<style>
/* IE 6 及其以下版本 */
* html #uno {
color: red
}
/* IE7 */
*:first-child+html #dos {
color: red
}
/* IE7, FF, Saf, Opera */
html>body #tres {
color: red
}
/* IE8, FF, Saf, Opera (所有浏览器除了 IE 6,7) */
html>/**/body #cuatro {
color: red
}
/* Opera 9.27 及其一下版本, safari 2 */
html:first-child #cinco {
color: red
}
/* Safari 2-3 */
html[xmlns*=""] body:last-child #seis {
color: red
}
/* safari 3+, chrome 1+, opera9+, ff 3.5+ */
body:nth-of-type(1) #siete {
color: red
}
/* safari 3+, chrome 1+, opera9+, ff 3.5+ */
body:first-of-type #ocho {
color: red
}
/* saf3+, chrome1+ */
@media screen and (-webkit-min-device-pixel-ratio:0) {
#diez {
color: red
}
}
/* iPhone / mobile webkit */
@media screen and (max-device-width: 480px) {
#veintiseis {
color: red
}
}
/* Safari 2 - 3.1 */
html[xmlns*=""]:root #trece {
color: red
}
/* Safari 2 - 3.1, Opera 9.25 */
*|html[xmlns*=""] #catorce {
color: red
}
/* 所有浏览器除了 IE6-8 */
:root *> #quince {
color: red
}
/* IE7 */
*+html #dieciocho {
color: red
}
/* Firefox only. 1+ */
#veinticuatro, x:-moz-any-link {
color: red
}
/* Firefox 3.0+ */
#veinticinco, x:-moz-any-link, x:default {
color: red
}
/* IE6 */
#once {
_color: blue
}
/* IE6, IE7 */
#doce {
*color: blue;
}
/* IE6, IE7 */
#doce {
#color: blue;
}
/* 所有浏览器除了 IE6 */
#diecisiete {
color/**/: blue
}
/* IE6, IE7, IE8 */
#diecinueve {
color: blue\9;
}
/* IE7, IE8 */
#veinte {
color/*\**/: blue\9;
}
/* IE6, IE7 -- 与 !important 相同*/
#veintesiete {
color: blue !ie;
}
</style>
</head>
<body>
</body>
</html>
原文：http://www.cnblogs.com/tonyTao/p/4961756.html