ul.ivh-treeview {
    list-style-type: none;
    padding-left: 0;
}

    ul.ivh-treeview ul.ivh-treeview {
        padding-left: 15px;
    }

    ul.ivh-treeview .ivh-treeview-toggle {
        cursor: pointer;
    }

    ul.ivh-treeview .ivh-treeview-node-leaf .ivh-treeview-toggle {
        cursor: auto;
    }

ul.ivh-treeview li.ivh-treeview-node-collapsed ul.ivh-treeview {
    display: none;
}

ul.ivh-treeview .ivh-treeview-twistie-leaf,
ul.ivh-treeview .ivh-treeview-twistie-collapsed {
    display: none;
}

ul.ivh-treeview .ivh-treeview-node-collapsed .ivh-treeview-twistie-collapsed {
    display: inline;
}

ul.ivh-treeview .ivh-treeview-node-collapsed .ivh-treeview-twistie-expanded {
    display: none;
}

ul.ivh-treeview li.ivh-treeview-node-leaf .ivh-treeview-twistie-leaf {
    display: inline;
}

ul.ivh-treeview li.ivh-treeview-node-leaf .ivh-treeview-twistie-expanded,
ul.ivh-treeview li.ivh-treeview-node-leaf .ivh-treeview-twistie-collapsed {
    display: none;
}