/* level 0 nodes and deeper (employees...) */
.demo-control .wj-treeview .wj-nodelist > .wj-node {
    font-weight: bold;
}

/* level 1 nodes and deeper (orders...) */
.demo-control .wj-treeview .wj-nodelist > .wj-nodelist > .wj-node {
    font-weight: normal;
    font-size: 95%;
    color: darkblue;
}

/* level 2 nodes and deeper (order details...) */
.demo-control .wj-treeview .wj-nodelist > .wj-nodelist > .wj-nodelist > .wj-node {
    font-size: 90%;
    color: darkslategrey;
}

/* default trees on this sample */
.demo-control .wj-treeview {
    display:block;
    height: 350px;
    margin-top: 8px;
    margin-bottom: 8px;
    padding: 6px;
    background: #f0f0f0;
    box-shadow: 0 3px 6px rgba(0,0,0,0.16), 0 3px 6px rgba(0,0,0,0.23);
}