/** 图标 **/
.jstree-default .jstree-themeicon-custom {
    background-image: url(tree-icons.png);
}

.jstree-default .facility-icon-building {
    background-position: 0 0;
}

.jstree-default .facility-icon-floor {
    background-position: -30px 0;
}

.jstree-default .facility-icon-zone {
    background-position: -57px 0;
}

.jstree-default .facility-icon-room, .jstree-default .facility-icon-breedingroom
    {
    background-position: -85px 0;
}

.jstree-default .facility-icon-rack {
    background-position: -115px 0;
}

.jstree-default .facility-icon-corridor {
    background-position: -137px 3px;
}