各大团队的初始化CSS代码

新浪官网
body,ul,ol,li,p,h1,h2,h3,h4,h5,h6,form,fieldset,table,td,img,div{margin:0;padding:0;border:0;}
body{background:#fff;color:#333;font-size:12px; margin-top:5px;font-family:"SimSun","宋体","Arial Narrow";}
ul,ol{list-style-type:none;}
select,input,img,select{vertical-align:middle;}
a{text-decoration:none;}
a:link{color:#009;}
a:visited{color:#800080;}
a:hover,a:active,a:focus{color:#c00;text-decoration:underline;}

网易
html {overflow-y:scroll;} body {margin:0; padding:29px 0 0; font:12px "\5B8B\4F53",sans-serif;background:#ffffff;} div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,pre,form,fieldset,input,textarea,blockquote,p{padding:0; margin:0;} table,td,tr,th{font-size:12px;} li{list-style-type:none;} img{vertical-align:top;border:0;} ol,ul {list-style:none;} h1,h2,h3,h4,h5,h6 {font-size:12px; font-weight:normal;} address,cite,code,em,th {font-weight:normal; font-style:normal;}

淘宝官网
body, h1, h2, h3, h4, h5, h6, hr, p, blockquote, dl, dt, dd, ul, ol, li, pre, form, fieldset, legend, button, input,
textarea, th, td { margin:0; padding:0; }
body, button, input, select, textarea { font:12px/1.5 tahoma, arial, \5b8b\4f53; }
h1, h2, h3, h4, h5, h6 { font-size:100%; }
address, cite, dfn, em, var { font-style:normal; }
code, kbd, pre, samp { font-family:courier new, courier, monospace; }
small { font-size:12px; }
ul, ol { list-style:none; }
a { text-decoration:none; }
a:hover { text-decoration:underline; }
sup { vertical-align:text-top; }
sub { vertical-align:text-bottom; }
legend { color:#000; }
fieldset, img { border:0; }
button, input, select, textarea { font-size:100%; }
table { border-collapse:collapse; border-spacing:0; }

<style type="text/css"> div{margin: 0;padding: 0;border:1px red solid;} </style>
<style type="text/css"> @import "mystyle.css"; </style>
这里的@ipport（导入式）可以在CSS中链接另一个CSS文件。链接式（link），网页直接加载出来就有CSS。而@ipport(导入式)的则是先加载完html后，再加载CSS。导入式可以在根CSS文件里导入支链CSS。
<link rel="stylesheet" style="text/css" href="common.css"> 目前的主流方式。