@media screen and (max-width: 750px) {
    body #lib_user_distribution .mobile_menu{overflow-x: scroll;-webkit-overflow-scrolling: touch;&::-webkit-scrollbar {
        height: 4px;
        background: #e1e1e1; 
        border-radius: 4px;
    }
    
    &::-webkit-scrollbar-thumb {
        background: #c0c0c0;
        border-radius: 4px;
        min-height: 20px;
    }}
}