1 #wrapper {
 2   width: 66%;
 3   float: left;
 4 }
 5 #content {
 6   margin-right: 200px;
 7 }
 8 #navigation {
 9   width: 200px;
10   float: left;
11   margin-left: -200px;
12 }
13 #extra {
14   float: left;
15   width: 34%;
16 }
17 #footer {
18   clear: both;
19 }