scrollbar.scss

::-webkit-scrollbar {
    height: 16px;
    overflow: visible;
    width: 12px;
}

::-webkit-scrollbar-button {
    height: 0;
    width: 0;
}

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

::-webkit-scrollbar-thumb {
    background-color: rgba(0, 0, 0, .2);
    background-clip: padding-box;
    border: solid transparent;
    border-width: 1px 1px 1px 1px;
    min-height: 28px;
    padding: 100px 0 0;
    -webkit-box-shadow: inset 1px 1px 0 rgba(0, 0, 0, .1), inset 0 -1px 0 rgba(0, 0, 0, .07);
    box-shadow: inset 1px 1px 0 rgba(0, 0, 0, .1), inset 0 -1px 0 rgba(0, 0, 0, .07);
}

::-webkit-scrollbar-track {
    background-clip: padding-box;
    border: solid transparent;
    border-width: 0 0 0 4px;
}