@charset "UTF-8";

body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,pre,form,fieldset,input,p,blockquote,th,td{
	margin:0;
	padding:0;
	width: 100%;
	background-color: #000;
}  

wrapper{
	width: 100%;
	height: auto;
	margin: 0 auto;
	text-align: center;
}
.box_b{
	display: block;
	width: 100%;
	height: auto;
	margin: 0 auto;
	overflow: hidden;
	background-color: #000;
	float: left;
	clear: both;
}
.box_w{
	display: block;
	width: 100%;
	height: auto;
	margin: 0 auto;
	overflow: hidden;
	background-color: #fff;
	float: left;
	clear: both;
}
.box_g{
	display: block;
	width: 100%;
	height: auto;
	margin: 0 auto;
	overflow: hidden;
	background-color: #7b7b7b;
	float: left;
	clear: both;
}
img{
	margin: auto;
	display: block;
	border: 0px none;
}