.headercenter { 
	width: 165px; 
	float: left; 
	margin: 30px 0 0 145px; 
}
.headerright { 
	width: 246px; 
	float: left; 
	margin: 55px 0 0 139px; 
}
header h2 { margin: 0; }
.contents { 
	margin: 0 auto; 
	padding-top: 20px; 
}
img.bg { 
	min-width: 1800px; 
	height: 264px\0/; 
	width: 100%; 
	position: fixed; 
	top: 0; 
	left: 0; 
}