body { font-size: 14px; }

.tree-wrap { max-height: 75vh; overflow: auto; }

ul.tree, ul.tree ul {
    list-style: none;
    margin: 0;
    padding-left: 14px;
}

ul.tree { padding-left: 0; }

ul.tree li { white-space: nowrap; }

ul.tree ul.collapsed { display: none; }

.tree-link {
    text-decoration: none;
    color: #222;
    display: inline-block;
    padding: 1px 4px;
    border-radius: 4px;
}

.tree-link:hover { background: #eef; }

.tree-link.selected {
    background: #0d6efd;
    color: #fff;
}

.table code, code { font-size: 12px; }