#header {
position: centered;
height: 100px;
margin-left: auto;
margin-right: auto;
background color: #ccc;
padding: 10 px;
}

#navigation { 
position: absolute;
left: 75px;
top: 182px;
width: 150px;
padding: 20px;
font-family: 'futura';
}

#content {
margin-left: 200px;
margin-right: 200px;
padding: 5px;
font-family: 'futura';
font-size: 12pt;
}