.ui-data-tree {
    height: 20px;
    padding-left: 15px;
    margin-bottom: 3px;
    font-size: 12px;
    cursor: default; 
    white-space: nowrap;
}
.ui-data-tree label {
    margin: 0;
    padding: 0;
}
.ui-data-tree-expanded {
    background: url(img/ecui.png?$Version$) 2px -35px no-repeat;
}
.ui-data-tree-collapsed {
    background: url(img/ecui.png?$Version$) 2px -95px no-repeat;
}
.ui-data-tree-children {
    margin-left: 15px;
}
.ui-data-tree-selected {
    background-color: #E9E9E9;
    font-weight: bold;
}