html,body,div,span,iframe,h1,h3,h2,h4,h5,h6,p,a,em,img,strong,b,
ul,dl,ol,li,dt,dd,form,legend,table,caption,tbody,tfoot,input,thead,tr,
td,th,footer,header,option,select,menu,nav,span{margin:0;padding:0;border:0;font-size:12px;font-family:Arial;}

.fl{float:left;}
.fr{float:right;}
.cf {zoom: 1;}
.cf:after {content: "";display: table;clear: both;overflow: hidden;}

a{text-decoration:none;}
a:hover{text-decoration:underline;}
ul,ol,li{list-style:none;}

.common_width{width:998px;margin:0 auto;}
.common_width1{width:1200px;margin:0 auto;}
.common_width2{width:980px;margin:0 auto;}
.common_style{background:#fff;box-shadow:1px 1px 5px rgba(215,215,215,0.8);border-bottom:1px solid #dbd7d7;border-right:1px solid #dbd7d7;}

input{outline:0;}