.treeElement {
    margin: 0;
    border: 0;
    margin-right: 1px;
    vertical-align: bottom;
    cursor: pointer;
    padding: 3pt 3pt 0pt 6pt;
    padding-top: 0px;
    padding-bottom: 0px;
}

.collapsed {
    background-image: url('http://appsso.eurostat.ec.europa.eu/nui/images/_tree/open.gif');
    background-repeat: no-repeat;
    background-position: center center;
}

.expanded {
    background-image: url('http://appsso.eurostat.ec.europa.eu/nui/images/_tree/close.gif');
    background-repeat: no-repeat;
    background-position: center center;
}

.leaf {
    margin: 0;
    padding: 0;
    /*margin-left:26px;*/
    /*margin-left:16px;*/
    padding-left: 16px;
}