body {
	margin:0;
	overflow:hidden;
}
.header {
	background:transparent;
	position:absolute;
	overflow:hidden; 
	border:0px solid #0FF;
	width:99%; 
	height:90px;
	z-index:2; 
}
.content {
	background:transparent;
	overflow:auto; 
	position:absolute;
	border:0px solid #0FF;
	width:100%; 
	height:100%;
	z-index:1;
}
.ruler {
	background-color:#FFFF00;
	width:950px; 
	height:1px;
	margin-left:18px; 
	bottom:15px; 
	position:absolute; 
	z-index:2;
}