::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(0,0,0, 0.2);
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(0,0,0, 0.4);
}