.tree__lvl3:not(:last-child) {
    margin-bottom: 15px;
}

.tree__lvl3.active>a {
    font-weight: 700;
    color: var(--theme-color-accent);
}

.tree__lvl1 a,
.tree__lvl2 a {
    display: inline-block;
    padding-right: 12px;
}

.tree__lvl2 {
    position: relative;
}