.pimptree-item.pimptree-item-collapsed .pimptree-icon:before {
    content: '\25B8\a0';
}
.pimptree-item:not(.pimptree-item-collapsed) .pimptree-icon:before {
    content: '\25BE\a0';
}
.pimptree-item {
    cursor: pointer;
    user-select: none;
}