html, body { 	
	margin: 0; padding: 0;
	height: 100%;
}
body.quark { 	
	color: black;
	background-color: white;
}
body.gluon { 	
	color: white;
	background-color: #333;
}
body.atom { 	
	color: black;
	background-color: white;
}
body.quark a {
	color:#33a; 
}
body.gluon a {
	color:#eee;
}
body.atom a {
	color:#222; 
}
a { 
	text-decoration: none;
	font-size: 120%;
}
a:hover { 
	text-decoration: none;
}  
img { 
	margin: auto; 
	display: block; 
}
#container {
	min-height:100%;
	position:relative;
}
#content {
	padding:10px;
	padding-bottom:30px;   /* Height of the footer */
}
#footer {
	position:absolute;
	bottom:0;
	width:100%;
	height:40px;   /* Height of the footer */
	text-align: center;
}