浏览器特定的CSS Hacks汇总CSS Transition通过改变Height实现展开收起元素从QQtabBar看css命名规范BEM的详细介绍css实现两栏布局，左侧固定宽，右侧自适应的多种方法CSS 实现Chrome标签栏的技巧CSS实现两列布局的N种方法CSS实现隐藏搜索框功能(动画正反向序列)CSS3中Animation实现简单的手指点击动画的示例详解CSS中的特指度和层叠问题详解overflow:hidden的作用(溢出隐藏、清除浮动、解决外边距塌陷)关于CSS浮动与取消浮动的问题

/***** Selector Hacks ******/
/* IE6 and below */
* html #uno { color: red }
/* IE7 */
*:first-child+html #dos { color: red }
/* IE7, FF, Saf, Opera */
html>body #tres { color: red }
/* IE8, FF, Saf, Opera (Everything but IE 6,7) */
html>/**/body #cuatro { color: red }
/* Opera 9.27 and below, 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 }
/* Everything but IE6-8 */
root *> #quince { color: red }
/* IE7 */
*+html #dieciocho { color: red }
/* IE 10+ */
@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
#veintiun { color: red; }
}
/* Firefox only. 1+ */
#veinticuatro, x:-moz-any-link { color: red }
/* Firefox 3.0+ */
#veinticinco, x:-moz-any-link, x:default { color: red }
/* FF 3.5+ */
body:not(:-moz-handler-blocked) #cuarenta { color: red; }
/***** Attribute Hacks ******/
/* IE6 */
#once { _color: blue }
/* IE6, IE7 */
#doce { *color: blue; /* or #color: blue */ }
/* Everything but IE6 */
#diecisiete { color/**/: blue }
/* IE6, IE7, IE8, but also IE9 in some cases */
#diecinueve { color: blue\9; }
/* IE7, IE8 */
#veinte { color/*\**/: blue\9; }
/* IE6, IE7 -- acts as an !important */
#veintesiete { color: blue !ie; } /* string after ! can be anything */
/* IE8, IE9 */
#anotherone {color: blue\0/;} /* must go at the END of all rules */
/* IE9, IE10 */
@media screen and (min-width:0\0) {
#veintidos { color: red}
}

/* IE6 及以下 */
* html #uno { color: red }

/* IE7 */
*:first-child+html #dos { color: red }

/* IE7, FF, Saf, Opera */
html>body #tres { color: red }

/* IE8, FF, Saf, Opera (IE 6,7以外) */
html>/**/body #cuatro { color: red }

/* Opera 9.27 及以下, 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 }

/* IE6-8以外 */
: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; /* 或 #color: blue */ }

/* IE6以外 */
#diecisiete { color/**/: blue }

/* IE6, IE7, IE8 */
#diecinueve { color: blue\9; }

/* IE7, IE8 */
#veinte { color/*\**/: blue\9; }

/* 仅IE8 */
#veinte { color: blue\0; }

/* !important优先 */
#bgcolor {
background:red !important; /* Firefox 等其他浏览器 */
background:blue; /* IE6 */
}

#test {
background-color: black; /* Firefox, Opera, IE8 */
[;background-color: green;] /* Safari, Chrome */
*background-color: blue; /* IE7 */
_background-color: red; /* IE6 */
}