body {
	text-align: center;
}

div#main {
	width: 780px;
	margin-left: auto;
	margin-right: auto;
	text-align: left;
	background-color: #FFF;
	border: 1px solid #000;
	position: relative;
}

div#header {
	background-color: #002744;
	height: 85px;
	position: relative;
}

div#online {
	position: absolute;
	top: 0px;
	left: 441px;
}

div#banner {
	position: absolute;
	top: 20px;
	left: 295px;
}

div#adnotice {
	position: absolute;
	top: 20px;
	left: 765px;
}

div#navi {
	border-top: 1px solid #000;
	border-bottom: 1px solid #000;
	background-color: #6699CC;
	text-align: center;
	padding: 2px;
}

#navi li {
	display: inline;
	white-space: nowrap;
}

div#bottom {
	width: 780px;
	margin-left: auto;
	margin-right: auto;
	text-align: left;
	margin-top: 15px;
}

div#header img {
	display: block;
}

div#navi img {
	display: block;
}

div.full_width {
	width: 740px;
	margin: 20px;
}
div.ad_728 {
	margin: 20px;
	text-align: center;
}
div.dot_sep {
	height: 1px;
	padding-top: 0px;
	padding-bottom: 0px;
	padding-left: 1px;
	padding-right: 1px;
	margin-top: 10px;
	margin-bottom: 10px;
	background-image : url("https://www.okean.de/img/img/forum/hr_forum.gif");
}
div#two_col_left, div#mail_left {
	margin: 20px;
	width: 560px;
	min-height: 600px;
	height: auto !important;
	height: 600px;
}
div#two_col_right {
	position: absolute;
	top: 131px;
	left: 600px;
}
div#mail_left {
	width: 600px;
}
div#mail_right {
	position: absolute;
	top: 131px;
	left: 640px;
}