1 #wrapper {
 2   float: left;
 3   width: 100%;
 4 }
 5 #content {
 6   margin: 0 200px 0 33%;
 7 }
 8 #navigation {
 9   float: left;
10   width: 33%;
11   margin-left: -100%;
12 }
13 #extra {
14   float: left;
15   width: 200px;
16   margin-left: -200px;
17 }
18 #footer {
19   clear: both;
20 }

 1 #wrapper {
 2   float: right;
 3   width: 100%;
 4 }
 5 #content {
 6   margin: 0 200px 0 33%;
 7 }
 8 #navigation {
 9   float: right;
10   width: 33%;
11   margin-right: -33%;
12 }
13 #extra {
14   float: right;
15   width: 200px;
16   margin-right: -100%;
17 }
18 #footer {
19   clear: both;
20 }