最常用的reset代码
/*css reset code */
/**** 文字大小初始化,使1em=10px *****/
body { font-size:12px;}
/*字体边框等初始化*/
body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,pre,form,fieldset,input,textarea,p,blockquote,th,td {padding: 0;margin: 0;}
table {border-collapse: collapse;border-spacing: 0;}
fieldset,img,input,select,button{border: 0;}
address,caption,cite,code,dfn,th,var {font-weight: normal;font-style: normal;}
ol,ul {list-style: none;}
caption,th {text-align: left;}
h1,h2,h3,h4,h5,h6 {font-weight: normal;font-size: 100%;}
q:before,q:after {content:'';}
abbr,acronym { border: 0;}
a {text-decoration:none;}
.clearfix:after {visibility: hidden;display: block;font-size: 0;content: " ";clear: both;height: 0;}
* html .clearfix { zoom: 1; } /* IE6 */
*:first-child+html .clearfix { zoom: 1; } /* IE7 */