body {

background-color: #eee;

}

#container { 

background-color: white;

width: 800px

margin-left: auto;

margin-right: auto;

}

#header{

background-color: #66ccff;

color: white;

text-align: center;

}	

#content{

padding: 10px;

}

#nav { 

width: 180px;

float: left;

}

#main {

width: 600px;

float: right;

}