@media screen {
	body {
		background-image: url(../basic-img/back_contents.jpg);
		background-repeat: repeat-x;
	}
}
#bodyDiv {
	padding: 0px;
	width: 750px;
	margin-right: auto;
	margin-left: auto;
}
#mainDiv {
	padding: 9px 10px 0px;
	margin: 0px;
	width: 730px;
	clear: both;
}
#imgDiv {
	margin-bottom: 20px;
	margin-top: 1px;
}