页面重置css样式。整理了挺久的

body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,pre,form,fieldset,input,textarea,p,blockquote,th,td{margin:0;padding:0;}
table{border-collapse:collapse;border-spacing:0;}
fieldset,img{border:0;}
address,caption,cite,code,dfn,em,strong,th,var{font-style:normal;font-weight:normal;}
ol,ul{list-style:none;}
caption,th{text-align:left;}
h1,h2,h3,h4,h5,h6{font-size:100%;font-weight:normal;}
q:before,q:after{content:;}
abbr,acronym{border:0;}
body{color:#666;background-color:#fff;font:12px/1.5 "微软雅黑",tahoma,arial,'Hiagino Sans GB',宋体,sans-serif;}
.clearfix:after{content:" ";clear:both; height:0; visibility:hidden;display:block;font-size:0;}
.clearfix{zoom:1;}

基本适用于所有的页面。