::-webkit-srollbar-track-piece {
    background: none;
    -webkit-border-radius: 0;
}
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-thumb:vertical {
    height: 50px;
    background-color: #bbbbbb;
    -webkit-border-radius: 4px;
    outline: 0px solid #ffffff;
    ouline-offset: -2px;
    border: 2px solid #bbbbbb;
}
::-webkit-scrollbar-thumb:hover {
    height: 50px;
    background-color: #999999;
    -webkit-border-radius: 4px;
}
::-webkit-scrollbar-thumb:horizontal {
    width: 50px;
    background-color: #bbbbbb;
    -webkit-border-radius: 4px;
    outline: 0px solid #ffffff;
    ouline-offset: -2px;
    border: 2px solid #bbbbbb;
}