body { 
    background: #330066;
    background-image:  url(images/background.gif);
    background-repeat: repeat-y;
    margin-left: 200px;
}

.tree {
    border: 1px #330066 solid;
    width: 560px;
}

.a1 {
    padding: 5px;
    vertical-align: top;
    background-color: #eeeeff;
}

.a2 {
    padding: 5px;
    vertical-align: top;
}

.pad {
    width: 15px;
    height: 20px;
}

a:link {
    color: blue;
}

a:visited {
    color: blue;
}

a:hover {
    color: red;
}