a,body,dd,div,dl,dt,h1,h2,h3,h4,h5,h6,html,img,input,li,p,span,table,table tr,table tr td,ul {
	margin:0;
	padding:0;
	border:none;
	-webkit-tap-highlight-color: rgba(240,240,240,0);
	-webkit-text-size-adjust:none;
}
body{width:100%;font-family: 微软雅黑;}
.wid{width:100%;}
.tac{text-align: center;}
.mar{margin:0 auto;}
.block{display:block}
.none{display:none;}
.pr{position: relative}
.pa{position: absolute}
.z_1{z-index: 1;}
.fl{float:left;}
.fr{float:right;}
.clr{clear:both}
.bd{border:1px solid}