/* WebKit browsers */
::-webkit-scrollbar {
    width: 6px;     /* thin scrollbar */
    height: 6px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1; /* track color */
}

::-webkit-scrollbar-thumb {
    background: #888; /* thumb color */
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: #555;
}

/* Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: #888 #f1f1f1;
}