Webkit nice scrolbar

less css

body {
    

    &::-webkit-scrollbar {
        width: 12px;
    }

    &::-webkit-scrollbar-thumb {
        background-color: #CCC;
        border-radius: 5px;
        border: 3px solid white;
    }

    &::-webkit-scrollbar-track-piece {
        background-color: white;
    }
}