html, body {
height:100%; 
margin:0; 
padding:0;
}

#page-background {
position:fixed;
 top:0; 
 left:0; 
 width:100%; 
 height:100%;
 }

#content {
position:relative; 
z-index:1; 
padding:10px;
}

/* Remove margins from the 'html' and 'body' tags, and ensure the page takes up full screen height */
html, body {
	height:100%;
	margin:0;
	padding:0;
	background-color: #DEDFE3;
	
}
#header_nav {
	text-align: center;
	margin-top: 5px;
	font-family: "gill sans"; 
	font-size: 12px;
	word-spacing: 30pt;
	letter-spacing: 2pt;
}
#header_nav a:link {
	color: #003399;
	text-decoration: none;
}
#header_nav a:visited {
	text-decoration: none;
	color: #666666;
}
#header_nav a:hover {
	text-decoration: none;
	color: #002187;
}

#footer_nav {
	text-align: center;
	font-family: "gill sans";
	font-size: 12px;
	word-spacing: 30pt;
	letter-spacing: 2pt;
	visibility: hidden;
}
#footer_nav a:link {
	color: #003399;
	text-decoration: none;
}

#footer_nav a:visited {
	text-decoration: none;
	color: #666666;
}
#footer_nav a:hover {
	text-decoration: none;
	color: #002187;
}
#exhibit {
	width: 590px;
	margin-right: auto;
	margin-left: auto;
	height: 220px;
	border-bottom-width: thin;
	border-bottom-style: solid;
	border-bottom-color: #666666;
	padding-top: 50px;
}
#exhibitText {
	float: left;
}
#info{
	text-align: center;
	font-family: "gill sans";
	font-size: 12px;
}


/* Set the position and dimensions of the background image. */
#page-background {
position:fixed; 
top:0; 
left:0; 
width:100%; 
height:100%;
}
/* Specify the position and layering for the content that needs to appear in front of the background image. Must have a higher z-index value than the background image. Also add some padding to compensate for removing the margin from the 'html' and 'body' tags. */
#content {
position:relative; 
z-index:1;
padding:10px;
}

 /*The above code doesn't work in Internet Explorer 6. To address this, we use a conditional comment to specify an alternative style sheet for IE 6 
[if IE 6]>*/

.clearfloat{
	clear:both;
	height:0;
	font-size: 1px;
	line-height: 0px;
}