.back {
	border: 1px solid #AA0000;
	position: absolute;
	height: 670px;
	width: 80%;
	left: 10%;
	border-radius:5px;
	box-shadow: 1px 1px 10px #888888;
	background-image: url(bnr.png);
	background-repeat: no-repeat;
	background-position: left top;
	right: auto;
}