1body{
2	font: 10pt Verdana,sans-serif;
3	color: navy;
4}
5.trigger{
6	cursor: pointer;
7	cursor: hand;
8	display: block;
9	margin-top: 4px;
10	margin-bottom: 4px;
11}
12.box{
13  background-color: yellow;
14  border: 2 solid navy;
15  margin-left:2px;
16  padding-left: 2px;
17  padding-right: 2px;
18}
19.leaf{
20  display: block;
21	margin-top: 4px;
22	margin-bottom: 4px;
23}
24.branch{
25	display: block;
26	margin-left: 32px;
27	margin-top: 4px;
28	margin-bottom: 4px;
29}
30a{
31	text-decoration: none;
32}
33a:hover{
34	text-decoration: underline;
35}
36