#parties-links-nav {
    max-height: 150px; /* Adjust this value to show roughly 4 items */
    overflow-y: scroll;
}

#parties-links-nav::-webkit-scrollbar {
    width: 4px;
}

#parties-links-nav::-webkit-scrollbar-track {
    background: transparent;
}

#parties-links-nav::-webkit-scrollbar-thumb {
    background: #cbd5e1; /* slate-300 */
    border-radius: 4px;
}

#parties-links-nav::-webkit-scrollbar-thumb:hover {
    background: #94a3b8; /* slate-400 */
}