body, div, dl, dt, dd, ul, ol, li, h1, h2, h3, h4, h5, h6, pre, code, form, fieldset, legend, input, button, textarea, p, blockquote, th, td {
???margin: 0;
???padding: 0;
?}
?body {
???background: #fff;
???color: #555;
???font-size: 14px;
???font-family: Verdana, Arial, Helvetica, sans-serif;
?}
?td, th, caption {
???font-size: 14px;
?}
?h1, h2, h3, h4, h5, h6 {
???font-weight: normal;
???font-size: 100%;
?}
?address, caption, cite, code, dfn, em, strong, th, var {
???font-style: normal;
???font-weight: normal;
?}
?a {
???color: #555;
???text-decoration: none;
?}
?a:hover {
???/*text-decoration: underline;*/
?}
?img {
???border: none;
?}
?ol, ul, li {
???list-style: none;
?}
?input, textarea, select, button {
???font: 14px Verdana, Helvetica, Arial, sans-serif;
?}
?table {
???border-collapse: collapse;
?}
?html {
???overflow-y: scroll;
?}
?.clearfix:after {
???content: ".";
???display: block;
???height: 0;
???clear: both;
???visibility: hidden;
?}
?.clearfix {
???*zoom: 1;
?}
?.l {
???float: left;
?}
?.r {
???float: right;
?}
?.com-w{
???width: 1200px;
???margin: 0 auto;
?}
css初始化
原文地址：http://www.cnblogs.com/aqigogogo/p/7488687.html