讨论不同浏览器对CSS的解析差异

html,body,div,span,applet,object,iframe,h1,h2,h3,h4,h5,h6,p,blockquote,pre,a,abbr,acronym,address,big,cite,code,del,dfn,em,font,img,ins,kbd,q,s,samp,small,strike,strong,sub,sup,tt,var,b,u,i,center,dl,dt,dd,ol,ul,li,fieldset,form,label,legend,table,caption,tbody,tfoot,thead,tr,th,td { margin: 0; padding: 0; border: 0; font-size: 100%; font: inherit; vertical-align: baseline;}/* HTML5 display-role reset for older browsers */article,aside,details,figcaption,figure,footer,header,hgroup,menu,nav,section { display: block;}body { line-height: 1;}ol,ul { list-style: none;}blockquote,q { quotes: none;}blockquote:before,blockquote:after,q:before,q:after { content: ''; content: none;}table { border-collapse: collapse; border-spacing: 0;}

background: -webkit-linear-gradient(red, blue);

background: -moz-linear-gradient(red, blue);

if(navigator.userAgent.indexOf('MSIE 6.0') !== -1 ) { // TODO: IE6 specific code}