CSS的base文件常用代码

article,aside,details,figcaption,figure,footer,header,hgroup,menu,nav,section{display:block}
body,button,input,select,textarea{font:12px/1.5 tahoma,arial,\5b8b\4f53}
input,select,textarea{font-size:100%}
table{border-collapse:collapse;border-spacing:0}
th{text-align:inherit}
a img,fieldset,img{border:0}
iframe{display:block}
abbr,acronym{border:0;font-variant:normal}
del{text-decoration:line-through}
address,caption,cite,code,dfn,em,th,var{font-style:normal;font-weight:500}
ol,ul{list-style:none}
caption,th{text-align:left}
h1,h2,h3,h4,h5,h6{font-size:100%;font-weight:500}
q:after,q:before{content:''}
sup{vertical-align:text-top}
sub{vertical-align:text-bottom}
a:hover{text-decoration:underline}
a,ins{text-decoration:none}
.fn-clear:after{visibility:hidden;display:block;font-size:0;content:" ";clear:both;height:0}
.fn-clear{zoom:1}
body.fn-hide{display:none}
.fn-left,.fn-right{display:inline}
.fn-left{float:left}
.fn-right{float:right}