body{
	background-color: #000000;
	color: #FFFFFF;
}

header img {
	display: block;
	margin: auto;
}

.content-left {
	float: left;	
}
.content-right {
	float: right;
}

aside, section {
	border-width: 2px;
	border-style: groove;
	border-color: gray;
}

aside {
	width: 25%;
}

.disclaimer {
	text-align: center;
	width: 75%;
	margin: auto;
}

nav {
	width: 100%;
	display: block;
	margin: auto;
	text-align: center;
}

#menu li {
	/*text-decoration: none;*/
	text-align: center;
	display: inline;
}

#menu li a {
	background: gray;
	color: black;
	padding: 10px 10px;
	text-decoration: none;
	border-radius: 4px 4px 0 0;
}