body {
  background-color: #EEE;
  font-family: Helvetica, Arial, sans-serif;
}
a{
  text-decoration:none;
  color: red;
}
h1{
  margin: 0;
}
#container{
  background-color: white;
  width: 800px;
  margin-left: auto;
  margin-right: auto;
}
#header{
  background-color: blue;
  color:white;
  text-align: center;
  padding: 10px;
}
#content{
  padding: 10px; 
}
.selected{
  font-weight:bold;
}

#nav{
  width: 180px;
  float: left;
}
#nav ul{
  list-style-type: none;
  padding: 0;
}
#main{
  width: 600px;
  float: right;
}
#footer{
  clear: both;
  padding: 10px;
  background-color: #999;
  color: white;
  text-align: right;
}