@charset "UTF-8";

#header{  
	max-width : 728px;
	height : 200px;
	position : relative;
	margin: 0 auto;
	/* border: 1px solid blue; */
	background-image : url(../img/background_header.gif);
	background-repeat : repeat;
	background-attachment : fixed;
}

#main {
	width: 728px;
	height : 600px;
	margin: 0 auto;
	/* border: 1px solid green; */
	background-image : url(../img/background_header.gif);
	background-repeat : repeat;
	background-attachment : fixed;
}

.ad-bigbanner{
	width : 728px;
	height : 90px;
	margin: 100 auto;
}

.ad-largesky{
	width : 300px;
	height : 600px;
	margin: 100 auto;
}

.relative1{
	position: relative;
}

.relative2{
	position: relative;
	top: 20px;
	left: 20px;
	background-color: yellow;
	width: 500px;
}