/***** 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 */Visite BrowserHacks.com para obtener más información.