html dd right align

1dl {
2  width: 100%;
3  overflow: hidden;
4  background: #ff0;
5  padding: 0;
6  margin: 0
7}
8dt {
9  float: left;
10  width: 50%;
11  /* adjust the width; make sure the total of both is 100% */
12  background: #cc0;
13  padding: 0;
14  margin: 0
15}
16dd {
17  float: left;
18  width: 50%;
19  /* adjust the width; make sure the total of both is 100% */
20  background: #dd0;
21  padding: 0;
22  margin: 0
23}