html, body, div, span, iframe,
		h1, h2, h3, h4, h5, h6, p, 
		em, img,strong,var,b, i,
		dl, dt, dd, ol, ul, li,
		form, label,input,select,textarea, 
		table, caption, tbody, tfoot, thead, tr, th, td,
		img
		{
		    margin:0;
		    padding:0;
		    border:0;
		    outline:0;
		    font-size:100%;
		    background:transparent;
		  
		}
		*{
			margin:0;
		    padding:0;
		    font-family: "Microsoft Yahei";
		}
		html , body {
			height: 100%;
			width: 100%;
		}
		ul , ol{
		    list-style:none;
		}
		a{
			color:#000;
			font-family: "Microsoft Yahei";
			text-decoration: none;
		}
		a img{
			border:none;
		}
		.clear:after{
			content:"";
			display:block;
			clear:both;
		}