css hack

.sofish {
        padding:10px;
        padding:9px\9; /* all ie */
        padding:8px\0; /* ie8-9 目前应用于IE8的单独hack，情况比较少 */
        *padding:5px;  /* ie6-7 */
        +padding:7px;  /* ie7 */
        _padding:6px;  /* ie6 */
}

/* webkit and opera */
@media all and (min-width: 0px){ .sofish{padding:11px;} }

/* webkit */
@media screen and (-webkit-min-device-pixel-ratio:0){ .sofish{padding:11px;} }

/* opera */
@media all and (-webkit-min-device-pixel-ratio:10000), not all and (-webkit-min-device-pixel-ratio:0) { .sofish{padding:11px;} }

/* firefox * /
@-moz-document url-prefix(){ .sofish{padding:11px;}} /* all firefox */
html>/**/body .sofish, x:-moz-any-link, x:default { padding:11px; } /* newest firefox */


/***** 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 }

/* Firefox only. 1+ */
#veinticuatro,  x:-moz-any-link  { color: red }

/* Firefox 3.0+ */
#veinticinco,  x:-moz-any-link, x:default  { 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 */
#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 */